Answer:
Nitrogen
Explanation:
A planet that has a solid, rocky surface. Terrestrial planets tend to be smaller than gas giants.
Answer: That is true
Explanation:
Answer:
True
Explanation:
Terrestrial planets tend to be smaller than gas giants.
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Describe how an electromagnetic wave carries energy from place to place. Your description should include the terms electric field, magnetic field, and perpendicular.
Answer:
In electromagnetic waves, energy is transferred through vibrations of electric and magnetic fields. In sound waves, energy is transferred through vibration of air particles or particles of a solid through which the sound travels.
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Answer:
In electromagnetic waves, energy is carried through vibrations of electric fields and magnetic fields. The fields The vibration of electric fields is perpendicular to the vibration of magnetic fields and the vibration of electric and magnetic fields is perpendicular to the direction in which light travels.
Explanation:
Which statement explains why hydrogen bonds are able to form between water molecules?
Water molecules are polar.
Water molecule atoms have weak atomic bonds..
Water molecules show adhesion.
Water molecules are large.
Answer:
Water molecules are polar.
Explanation:
Hydrogen Bonds - Opposite charges attract one another. The slight positive charges on the hydrogen atoms in a water molecule attract the slight negative charges on the oxygen atoms of other water molecules. This tiny force of attraction is called a hydrogen bond.
This bond is very weak. Hydrogen bonds are formed easily when two water molecules come close together, but are easily broken when the water molecules move apart again. They are only a small fraction of the strength of a covalent bond, but, there are a lot of them
The fact that water molecules are POLAR makes it possible for hydrogen bonds to form between them.
HOW IS WATER POLAR?
Water is a chemical compound made up of two hydrogen atoms and one oxygen atom i.e. H2O. The hydrogen atoms are electropositive while the oxygen atom is electronegative. The electronegativity of the oxygen atom allows the positive hydrogen ions to be attracted towards it. This makes water molecules polar. Hydrogen bonds form when hydrogen ions (H+) are attracted to an electronegative ion like 02-, S2- etc. Hence, in the interaction of water molecules, the hydrogen ion of one water molecule gets attracted to the oxygen ion of another water molecule, hence, forming HYDROGEN BOND.In a nutshell, hydrogen bonding is possible in water due to its polariry.
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In Passage 1, how does the author represent the various points of view on the issue of advertisements on school buses?
A)by providing quotes from people on both sides of the issue
B)by describing the financial benefits for both sides of the issue
C)by sharing anecdotes from politicians on both sides of the issue
D)by elaborating on the benefits that would result from both sides of the issue
Passage 1: Excerpt from Will Yellow School Buses Soon Become Rolling Ads?
1 Tight school budgets could soon translate into Missouri school districts’ selling ad space on yellow school buses.
2 Missouri state Rep. T.J. Berry, R-Kearney, says his bill—HB 224—isn’t a cure-all by any stretch. But legalizing ads inside and outside the buses would give school districts one additional way to raise money in these tough times.
3 “Every single school district has had to deal with budget concerns,” Berry said last week. “And generally speaking, the way they have had to deal with those has been cuts or tax increases.”
4 The school bus is something that is already out there and paid for, he said. His bill would permit districts to generate a modest stream of income from their buses.
5 Few question the need for finding additional funds when it comes to educating children, but at least two groups think the school bus exteriors should remain ad-free.There is no such thing as free money,” said Josh Golin, associate director for the Campaign for a Commercial Free Childhood. “There are real costs to this: the price of selling out your students to advertisers.”
7 Students don’t need the first and last message they receive from their schools each day to be advertisements, Golin said. Students boarding a bus are certainly a captive audience.
8 The National Association of State Directors of Pupil Transportation Services opposes advertising on safety grounds. Obscuring the recognizable school-bus yellow exterior with ads and distracting other drivers “present a safety problem around school buses that cannot be ignored,” the group said in its position paper.
9 National studies have shown that anything that diverts a driver’s attention from the road can pose a hazard, opponents say.
10 “And a big yellow bus doesn’t distract?” Berry asked.
11 Several years ago in Indiana, a Department of Education lawyer suggested that allowing advertisements on buses would invite First Amendment challenges by spurned advertisers, the group noted.
1.) The scientific name always consists of two words:
Group of answer choices
Genus and species
Family and species
Species and kindom
Domain and species
2.) Puma concolor is the scientific name for an American Mountain Lion, what is the species?
Group of answer choices
Puma
concolor
mountain lion
American mountain Lion
.a i What does a food chain mean to you?
a. ii what is the difference between a prey and a predator?
b. i. Draw a food chain with 5 preys and 5 predators
ii. State what the producer, primary consumer, secondary consumer and the tertiary consumers are in any food chain.
2. State three reasons why people cut down trees and suggest three ways cutting down trees can be reduced.
3. What are the causes of air pollution.
4. What is acid rain?
b. What causes acid rain?
c. what forms does acid rain come?
c. State three effects of acid rain
d. State three ways we can solve acid rain problems.
5. What different ways can we reuse plastic containers
b. What is recycling?
c.How do we encourage people to recycle
Answer:
a.ii. A predetor is an animal that hunts or kills for food
A prey is the animal that the predetor hunts or kills for food
Explanation:
For example a rabbit is a prey because a fox (predetor) can hunt or kill it.
Answer:
a. You do this on your own
b. a prey is something that is hunted, a predator is a hunter.
b.i. not going to draw it but, here are some animals, cow, rooster, deer, rabbit, mouse, predators are cat, wolf, coyote, bobcat, leopard?
ii. Producers are always plants, primary consumers are grazers such as cows, secondary consumers are wolves, and tertiary consumers are snakes.
2.
a. For shelter
b. for paper
c. human in habitation/ construction
a.1Make shelters out of brick, or stones.
b.1 Make paper out of a mix of things, instead of mostly paper.
c.1 Make buildings taller, not longer, to preserve space, or, destroy old buildings and reuse the material!
3.
a. Acid rain is rain that is acid. Contains high levels of nitric and sulfuric acids.
b. Acid rain is caused by a chemical reaction which occurs when compounds like sulfur dioxide, and nitrogen oxides are released into the air!
c. Can appear in snow, fog, and tiny bits of material
Hope this helps!
Which statements describe a human-created mass extinction? Select three correct choices.
It results from the disappearance of entire species in a short time.
It results from the disappearance of a few organisms in a short time.
It is caused by the growth of the human population.
It is a type of long-term change.
It is a type of short-term change.
It is caused by a decrease in the introduction of nonnative species.
Answer:
A,C,D
Explanation:
Answer:
A,C,D
Explanation:)hope this helps have a great day!
Braniliest would be appreciated
Pls help due soon: Why is a low-pressure system generally associated with cloudy and rainy weather?
What is the effect is a beam of light hits a green leaf?
When light strikes a green leaf, most of the green spectrum is reflected and most of the other colors are absorbed.
what is light?We can see light as a sort of energy. The sun provides some illumination. The other light is artificial. Man-made light is created by converting another type of energy, such as electricity, into light energy. From a source, light travels in a wavy beam to whatever it encounters. Each hue is represented by a tiny wavy beam on the beam. A light beam travelling through the air that contains all of the hues appears to be clear.
What is reflection?When a light beam strikes an object, such as tree leaves or an apple, the color of the object influences the smaller color beams inside the light beam. All color rays except green are absorbed by the green leaves. Only the green beam is reflected back, thus the leaves appear green to our eyes. Except for red, the apple absorbs all color beams. Only the red beam is reflected back, thus the apple appears red to human eyes. This is referred to as reflection.
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How is cold front formation different from stationary front formation?
a - Stationary fronts form between warm and cold air masses, while cold fronts form when a cold air mass advances against a warm air mass.
b - Cold fronts form between two air masses that barely move, while stationary fronts form when a warm air mass is trapped between two cold air masses.
c - Cold fronts form when a warm air mass moves over a cold air mass, while stationary air fronts form when a cold air mass moves over a warm air mass.
d - Stationary fronts form when a warm air mass is trapped between two cold air masses, while cold fronts form when a warm air mass moves over a cold air mass.
Stationary fronts form between warm and cold air masses, while
cold fronts form when a cold air mass advances against a warm
air mass.
What are Stationary fronts?These are the fronts which are formed when a cold front or
warm front stops moving. The formation is usually between the
warm and cold masses.
Cold front on the other hand are formed when cold air is more
advanced against the warm air mass.
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Answer:
A
Explanation:
Joel claims that “Bright White Toothpaste” removes tooth enamel stains better than all other brands. Which of the following should be documented as evidence to support his claim?
1. The amount of toothpaste used
2. The shade of teeth before and after brushing
3. The type of toothbrush used to brush teeth
4. The size of tooth
What is the fluid found in the extracellular matrix that holds cells together as tissue and allows them to communicate with one another?
The fluid inside of the Extracellular Matrix is Extracellular Fluid. Extracellular Fluid is also called ECF. ECF is mostly tissue fluid. It is also made up of a large amount of intravascular fluid. The remaining smaller amount of ECF is transcellular fluid.
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why are butterflies important? What are they doing to help nature?
Answer: they pollinate and help flowers grow.
The hairs on Xander’s arms just started lying flat against his skin. Which is most likely his internal body temperature? 35°C 36°C 37.5°C 38.5°C
The table below shows the categories of four hurricanes at various locations across Florida.
Florida Hurricanes
Location Category
Florida Keys 5
Florida Panhandle 1
Cedar Keys 2
South Florida 4
Which location most likely suffered the greatest damage?
Cedar Keys
Florida Keys
Florida Panhandle
South Florida
Answer:
the Florida Keys
Explanation:
The answer is Florida keys because it has the highest category. If a hurricane has a high category (categories are rated from 1-5) a higher amount of damage is expected.
Answer:
florida keys cause 5 is bigger than 4 2 and 1
Explanation:
When did people begin to notice that coastlines of continents fit together like puzzle pieces?
when satellites began taking pictures of Earth from space
when Alfred Wegener proposed the idea of continental drift
when early explorers traveled from Europe and Asia to the Americas
when geologists first started examining the fossil record of South America
Answer:
The 1500s
Explanation:
the1500s
As early as the1500s map makers were beginning to notice that the individual continents fit together like pieces of a jigsaw puzzle. It wasn't until 1912 that Alfred Wegener first proposed an acceptable hypothesis (continental drift) as an explanation
Does photosynthesis only occur during day time? Please explain if you answer my question!
Answer:
Photosynthesis happens during the day it needs the light.. Plants respire day and night.
Explanation:
photosynthesis only occurs during the day when there is sunlight.
How many Oxygen atoms are present in this chemical equation: Na2O3?
Answer:
3
Explanation:
You can see how many atoms there are next to the element (O3)
Giving BRANLIEST!!!
Answer: c
Explanation:
They are different organisms.
Answer:
c
Explanation:
i think
How does the chain go
Answer:
1. Mosquito larvae is eaten by minnows
2. Minnows eat some algae and mosquito larvae
3. Trout eat algae and minnows
4. Herons eat the trout
So, these are the animals in order.
1. Mosquito larvae
2. Minnows
3. Algae
4. Trout
5. Heron
Hope this helps you!
Which point(s) in the water cycle below best illustrate(s) water changing to a gas, and which term(s) could describe it?
1; sublimation or evaporation
1 and 2; evaporation only
3; precipitation or transpiration
3 and 4; transpiration only
Answer:
1 and 2; evaporation only
Explanation:
4 explains water evaporating turning into gas which is one and 2
Active transport is when molecules move against the concentration gradient
True or False
Answer:
this is true (:
Explanation:
Answer:
true
Explanation:
The transport of specific particles down their concentration gradient through a membrane by carrier proteins is known as facilitated diffusion. ... Facilitated diffusion moves molecules and ions against their concentration gradient, while active transport moves molecules and ions down their concentration gradient.
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Which of the following is not true about sound waves.
A. Sound waves travel through medium.
B. Sound waves are invisible.
C. Sound waves can move through water.
D. Sound waves can move through a vacuum.
Answer:
D. Sound waves can move through a vacuum.
Explanation:
Sound waves can move through a vacuum is an incorrect statement.
• Sound is a kind of energy produced by vibrations. These vibrations generate sound waves that move via the mediums like water, air, and wood.
• The sound waves are not visible as it is a form of energy, sound waves generate movement in the object, which continues till the particles run out of energy.
• A sound wave mediates its energy through particle interaction, and a sound wave cannot travel via a vacuum, this shows that sound is a mechanical wave.
Thus, sound waves cannot move through a vacuum. Option A is not true.
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What is a triglyceride? (Site 2)
Answer:
in explanation
Explanation:
an ester formed from glycerol and three fatty acid groups. Triglycerides are the main constituents of natural fats and oils, and high concentrations in the blood indicate an elevated risk of stroke.
Answer:
It is a type of fat found in your blood ;)
Explanation:
What happened as the mass of the sun increased during the formation of the solar system?
Answer:
The Sun and the rest of the solar system formed from a giant, rotating cloud of gas and dust called a solar nebula about 4.5 billion years ago. Most of the material was pulled toward the center to form our Sun, which accounts for 99.8% of the mass of the entire solar system.
Explanation:
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The increase in gravitational pull, which caused the surrounding gas and dust to be pulled towards the center of the developing solar system.
What is the Solar system?As the mass of the sun increased during the formation of the solar system, several important changes occurred. One of the most significant changes was the increase in gravitational pull, which caused the surrounding gas and dust to be pulled towards the center of the developing solar system. As a result, the temperature and pressure at the center increased, eventually reaching a point where nuclear fusion began and the sun became a star.
The increase in mass also had an impact on the orbits of the planets. As the gravitational force of the sun increased, it caused the orbits of the planets to become more stable and circular, rather than elliptical or irregular. This stability allowed the planets to maintain their orbits over billions of years, contributing to the long-term stability of the solar system.
In addition, the increase in mass allowed the sun to retain more of the lighter elements, such as hydrogen and helium, which were abundant in the early solar system. This abundance of lighter elements contributed to the formation of the gas giant planets, such as Jupiter and Saturn, which have massive hydrogen and helium atmospheres.
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Look at the PDFs and then answer the question -3-
I"M GIVING BRANINLLEST TO THE BEST ANSWER UwU
Answer:
The cell will shrink and the water will go out of the cell
Please help I got this wrong and I don't understand I need help
Answer:
If it´s not A then choose C
Explanation
If they were land animal and could not swim then the only logical reasoning would be that the two pieces of land drifted apart from each other and the fossils were in between them and that´s why they ended up in the ocean.
Answer: its c or b.
Explanation:try reading it again and it might be c or b
pls help due soon: The graph below displays barometric pressure data collected over a 7-day period. When did a low pressure system move through the area?
Answer:
I think its A
Explanation:
I think that because its when the graph gets the lowest
Can yal helpppppppppppppppppppppppp
Answer:
The cricket
Explanation:
It gets energy from 3 different sources rather than the other 3 that get their energy from 1 or 2