Answer:
B. the Cuyahoga River fire of 1969
Explanation:
i just took the test
Water pollution control came about as a result of the Cuyahoga River fire of 1969.
What do you mean by Water pollution?Water pollution may be defined as the accumulation of undesirable substances in the water which make water harmful to living beings.
During the Cuyahoga River fire of 1969, the number of fire stations along the river doubled due to the fire that caught in the sewage water.
Therefore, water pollution control came about as a result of the Cuyahoga River fire of 1969.
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Which population is most likely to have exponential growth?
O A. The dust mites living in a sofa that is often used and never
cleaned
B. The angelfish living in a coral reef where there are many sharks
C. The mice living in a meadow with plenty of predators and limited
food
D. The foxes living in a forest where they compete with other animals
for food
Answer:
A. The dust mites living in a sofa that is often used and never cleaned
Explanation:
Without the sofa being cleaned, the dust mites will never experience any predation or die off from humans and harsh cleaning chemicals. This will enable the population to increase exponentially, as opposed to the other options where the organisms are at risk for ample predation and starvation.
Exponential growth refers to the growth of organisms in an environment having unlimited resources. The organism grows exponentially or in a geometric fashion.
The dust mites living on the sofa that is often used and never cleaned.
The population has high chances of exponential growth will be:
1. Exponential growth is seen in the environment or surroundings where the resources are plentiful, and the number of organisms is dependent on those resources.
2. The dust mites living in the sofa that has never been cleaned will show exponential growth. Since the sofa is never cleaned, the mites have never faced any elimination by chemicals. The population will increase exponentially.
3. The other options have chances of competition, starvation, and predation that will not lead to the exponential growth of organisms.
Thus, the correct answer is Option A.
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Which statement correctly describes the behavior of light as it interacts with the ocean? A. Longer wavelengths of light penetrate the deepest into the ocean. B. Light penetration in the ocean is only to a depth of about 50 meters. C. Blue light penetrates the deepest in the ocean. D. Blue light reflects of the ocean surface, which gives the ocean its characteristic blue color.
Answer:
D
Explanation:
Makes sense, blue light gets reflected back to our eyes
Please answer I will give brainliest
Identify the igneous rock
Answer: Red Volcanic Rock
Explanation: Extrusive igneous rocks, also known as volcanic rocks, are formed at the crust's surface as a result of the partial melting of rocks within the mantle and crust.
Thomas and Julie wanted to find out which material would insulate their
teacher's coffee cup and keep the coffee hot for the longest period of
time. They first wrapped her cup with bubble wrap and recorded the
temperature of the coffee once every 15 minutes for 2 hours. They
repeated the investigation, this time using newspaper instead of bubble
wrap, but they got the same results for both materials. Which of the below
is their control or constant variable?
the type of insulation
the temperature of the coffee
the type of coffee cup
The students conducting the experiment
Answer:
The type of coffee cup
Explanation:
Because the insulation changed
The type of coffee temperature can change
The students can change
When heat leaves your body, how far could it travel?
Answer:
over 6 ft
Explanation:
Answer:
over 6 feet probably about 10 to 15 ft to be exact.
Explanation:
That is because your heat slowly devolves into chemicals that trees use for oxygen. And if there is no trees around it can take 100's of miles until it gets to trees.
What is the primary purpose of the mitochondria in a cell?
A. They store genetic information
B. They convert glucose into ATP energy the cell can use
C. They trap sunlight and use the energy to make food
D. They ship proteins across the cell membrane
Answer:
convert glucose into ATP energy the cell can use.
Explanation:
you may have heard the phrase “mitochondria are the powerhouse of the cell” before, and it’s because they create energy for the cell
1. A substance that destroys pathogens that are outside of the body.
Answer:
It can be things like bleach, soap, or vinegar.
Explanation:
Answer:
Antiseptic
Explanation:
Chemical such as soap, vinegar, or rubbing alcohol that destroys pathogens outside of the body.
There are three main branches of science. O True O False
Answer:
False
Explanation:
There are lots more than 3 branches of science. Sure you have the popular ones like biology but it isn't considered a main branch.
Answer:
True
Explanation:
There are three main branches of science. They are physical science, earth science, and life science.
Some of the water that falls as rain evaporates back into the atmosphere. What happens to the water molecules during this process?
Answer:
The water molecules separate into oxygen and hydrogen molecules which allows them to transfer back up into the atmosphere in their individual state.
The basic unit of structure and function of living things is the?
Answer:
cell units
Explanation:
Answer:
Cell is the basic structural and functional unit of life.
For what reason may First Amendment rights be limited?
Answer:
the shouldn't be limited
Explanation:
because its a right but an amendment can be changed
Answer:
include obscenity, fraud, child pgraphy, speech integral to illegal conduct, speech that incites imminent lawless action, speech that violates intellectual property law, true threats, ect
Explanation:
if the things above are done the first amendment can be taken away
Which of these transport processes is the major means by which Na+ is transported across the membrane of neurons? Why?
A) both II and III because the activity of the neuron varies
B) I because Na+ is so small it can freely diffuse into the cell
C) III because Na+ is actively transported out of a neuron to maintain extracellular concentration
D) II because Na+ is charged and cannot cross the hydrophobic interior space of the cell membrane
Answer:
i think it’s C
Explanation:
I. is diffusion
II. is facilitated diffusion
III. is active transport
the third diagram makes most sense to me
Transport processes is the major means by which Na+ is transported across the membrane of neurons,I because Na+ is so small it can freely diffuse into the cell.
What are membrane used for?Membranes are used more and more often for the creation of process water from groundwater, surface water or wastewater. Membranes are now competitive for conventional techniques.
Thus, option "B" is correct.
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Question 4 of 10
Which of these is not a function of some membrane proteins?
O A. Catalyzing chemical reactions in the cell
B. Receiving messages from other cells
C. Recognizing other types of cells
O D. Keeping polar molecules out of the cell
What are the products and reactants of cellular respiration?
Which feature of model 1 best illustrates how biological information is coded in a DNA molecule?
Is an Aquifer part of a Watershed?
Answer:yes
Explanation: it is because groundwater’s is the other half of the moisture equation contained in a watershed.
Do leopard geckos die from eating salamanders?
A no
b yes
C they only get sick
PLS ANSWER IF YOU ARE PRO
By the way I don’t have a gecko this is just for school
But it would help if a reptile pro could answer this.
Answer: Well I am not a Pro on leopard geckos, but I've have a Friend who is and they eat anything that wiggles I would say it might not die since the only things that would kill him is if he eats fireflies, lightning bugs. So I will say a salamander is fine.
Could you prepare a 12% v/v solution from a 2% v/v solution
Answer:
No
Explanation:
Answer:
no
Explanation:
If blood flow through the afferent arterioles increases:
a. the smooth muscle in the vessel walls stretches to accommodate.
b. the increased flow and the stretch stimulates further relaxation of the arteriolar wall, lessening blood pressure.
c. the stretch stimulates further relaxation of the arteriolar wall, lessening blood pressure.
d. stretch stimulates vasoconstriction to reduce the flow.
e. the smooth muscle in the vessel walls stretches to accommodate the increased flow.
Answer:
d. stretch stimulates vasoconstriction to reduce the flow.
Explanation:
Afferent arterioles are a network of blood vessels that supplies the kidneys with blood. They branch from the renal artery and are important in blood regulation.
Myogenic mechanism is used to regulate blood flow to the kidney.
When blood flow increases to the afferent aterioles the smooth muscles its wall stretches and contracts to resist the pressure. This reduces blood pressure.
When the pressure reduces the smooth muscles relax to allow more flow of blood.
What disease has been cured due to gene therapy?
A. Hemophilia
B. Cystic fibrosis
C. Tay-sachs
D. Severe combined immune deficiency
Answer:
Its severe combined immune deficiency
Explanation:
when you search it up SCID is the only disease so far that had been cured due to gene therapy
What is a common source of fat within the body that can be used for metabolism
Answer:
oil
Explanation:
Lipids are fat and oils are lipids
Answer:
Your answer is lipids.
Ok y’all I don’t have time to research for my sis so I will ask a bunch of questions
Answer:
stomach
Explanation:
During digestion, muscles push food from the upper part of your stomach to the lower part. This is where the real action begins. This is where digestive juices and enzymes break down the food that you chewed and swallowed.
Answer:
mouth
Explanation:
The digestive process starts in your mouth when you chew. Your salivary glands make saliva, a digestive juice, which moistens food so it moves more easily through your esophagus into your stomach. Saliva also has an enzyme that begins to break down starches in your food.
Bamboo is a type of grass. In the wild, pandas eat bamboo almost excdusively. For this reason, the availability of bamboo is a significant limiting factor on the panda population. Which statement describes how pandas could become extinct in the wild?
O A The bamboo population decreases so low that other limiting factors begin to affect the panda population.
OB. The bamboo population decreases so low that the carrying capacity for pandas becomes zero.
O C. The populations of bamboo and pandas follow a cyclical pattern of increasing and decreasing, until one of them becomes extinct
O D. The populations of bamboo and pandas both follw a pattern of exponential growth, and then both become extinct
Answer:
B
The bamboo population decreases so low that the carrying capacity for pandas becomes zero.
Answer:
I think it would be C
Explanation:
The populations of bamboo and pandas depend on each other
When are acids used in the human body?
Answer:
The most commonly-known way is in the stomach, during digestion.
How many Hydrogen atoms are in the chemical equation 3H20
a. 3 Hydrogen atoms
b. 2 Hydrogen atoms
c. 7 Hydrogen atoms
d. 6 Hydrogen atoms
Answer:
A. 3 Hydrogen atoms
Explanation:
A nickle would have a mass closest to?
Answer:
A nickel would have a mass closest to an atom
Explanation:
A nickels mass is 58.6934 which is the same atomic mass as atom
Can you identify the class of organic molecule to which these molecular structures and examples belong?Sort these items into the appropriate bins.
I SOLVED IT LOL
The correct class of molecules to which molecular structures and examples are:
Carbohydrates- starch and monosaccharide.Lipids - cholesterol and fatty acid moleculeProtein - amino acids and lactaseNucleic acids - DNA and nucleotide1. Carbohydrates:
Components: made of one or more monosaccharides.Functions: regulates energy for cell, energy storage, and plant cell support Examples: glucose, glycogen, starch and cellulose2. Lipids:
Components: fatty acid, glycerol, fat moleculeFunctions: energy storage, cell membrane components, and hormonesExamples: fats, phospholipids, and steroids3. Proteins:
Components: amino group, carboxyl group, R group, and amino acidFunction: enzyme, structural protein, transport, communication, immunity, storageExample: lactose, hair, tendons, muscles, hemoglobin, signal proteins, antibodies, egg albumin, receptor protein4. Nucleic acids:
Components: phosphate group, nitrogeneous base, ribose or deoxyribose, nucleotideFunctions: heredity Example: code for proteins, DNA, RNALearn more about macromolecules:
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EXPLAIN Complete the statement by coloring, bolding, or highlighting the correct terms.
Before the reaction, there are two | four | eight | oxygen atoms, and after the reaction, there are (two | four | eight |) oxygen atoms. The same is true for hydrogen atoms. So, atoms are | are not created or destroyed. This supports | refutes the claim that matter is conserved during a chemical reaction.
Answer:Before the reaction, there are 4 oxygen atoms,and after the reaction, there are 4 oxygen atoms.The same is true for hydrogen atoms.So, atoms are not created or destroyed.This supports the claim that matter is conserved during a chemical reaction.
Explanation:
Proteins are the most complex group of biomolecules with a wide range of functions. Which of the following best describes the function of proteins?
A) store genetic information, instructions to make proteins
B) form cell membranes, long-term energy storage, insulation
C) aid in metabolism, structural support (hair, nails, bone), create enzymes
D) ready to use energy for cells, structure for cell walls, storage as glycogen
Answer:
C
Explanation:
they aid in metabolism
Using established recombinant DNA technology, you insert a gene from a human liver cell into a bacterium. The bacterium then expresses a protein corresponding to the inserted DNA. To your dismay, you discover that the protein produced is useless and is found to contain many more amino acids than does the protein made by the eukaryotic cell.
Assuming there is no mutation in the human gene, explain why this happened.
a. bacteria do not use splicing to edit RNA after its transcription.
b. rRNAs in bacterial cells contain more nucleotides than in eukaryotic cells.
c. bacterial RNA contains less stop codons.
d. amino acids in bacterial cells are specified by double codes.
Answer:
The fact that the amino acid chain is consistently having more amino acids than what is actually present can be attested to the fact of how gene expressions can be observed in the prokaryotic cell compared to the eukaryotic one.