Why are braided streams common in sedimentary rocks before the arrival of plants on land ?

Answers

Answer 1

Answer:

Braided rivers have a multithreaded plan form comprising many confluences and diffluences (Miall, 1977). Braid bars and channels can be classified as a hierarchy depending upon their relative size, and three orders of braiding can be seen in proglacial rivers with constant discharge. First-order braid bars are those largest bars which are separated by major channels. First-order bars are made up of a series of smaller, second-order braid bars, which are separated by smaller channels. Third-order braid bars are contained within second-order bars. Complexity of braid pattern is, however, strongly stage dependent, with rivers losing their braided character during peak flood conditions. Braid bars, mid-channel bars, unit bars, and islands have been described in braided river systems on a range of scales ranging from meters to kilometers. All bars are subject to dissection , remobilization, and migration by the appropriate discharge magnitude and frequency (Miall, 1977, 1983).

Explanation:


Related Questions

Mark and Michelle both have dark hair, which is a dominant trait. But their first child is blonde. Which is the most likely explanation

Answers

Both parents have a recessive blonde allele that got passed on to their child.

Another gene caused the alleles for brown hair to deactivate.

It's not possible--Mark can't be the real father.

One of the two has a blonde allele that is dominant in the child.

Answer:

They are heterozygous for the dark hair.

how do i write an email to apply for university

Answers

Answer:

Well personally I haven't written an email to apply for a university but i'll try to help.

Composing your Email

1. Find your admissions officer

If possible, locate the email of the admissions officer for your region. For example, if you live in Florida, you want to target the email to the admissions officer that reads for the Southeast. It is important to locate the admissions officer for your region since they will be the person reading your college application when you submit it. They should be familiar with your name and remember you positively.

2. Address the admissions officer properly

Begin your email by addressing the admissions officer in a kind, proper manner. Don’t use slang or abbreviations that you might use with your peers while texting. Your writing should highlight your maturity and ability to communicate in a professional setting.  

“Good morning, Ms. Smith,”

“Hello, Mr. Johnson,”

3. Introduce yourself

Admissions officers receive hundreds of emails a day from prospective students so a concise email that simply gets to the point saves time and energy. Therefore, you shouldn’t spend a great deal of time introducing yourself. You are unlikely to increase your probability of acceptance by sending an email detailing your life’s accomplishments. Instead, write a brief sentence or two, providing your name and any relevant background information that may inform their answer.

“My name is Hayley Hall and I am applying to Pomona College in the Fall of 2020. I am particularly interested in majoring in Engineering.”

4. Be specific

Once you have provided your name and relevant information, ask specific questions. Don’t ask generic questions you should already know the answer to from your college search.

Avoid questions like:

“What’s the acceptance rate for UCLA?”

“What does Yale look for?”

“How much does each credit hour cost for in-state students?”

Colleges provide lots of general information about the school on their website. Search their website thoroughly before reaching out. If you ask for information that the college already provides, it might signal to an admissions officer that you haven’t done your due diligence looking for information on your own.

Instead, ask more detailed questions like:

“What types of companies does the College of Engineering have partnerships with?”

“When do most students start performing research?”  

“What would you say students are most excited about on campus?”

These kinds of questions prove that you have done your research but want more in-depth information about their university. Your curiosity will bode well with an admission officer. It will signal you are seriously considering their university. Their answers will help you make informed decisions about the schools you are considering and potentially provide information for your “Why This College” essay!

5. Do not be afraid to ask questions about your required materials

You can also email admissions officers to confirm they have received all of your materials. For example, if you have sent in your SAT/ACT scores but haven’t received a confirmation email from the school that they received it, you can follow up with the school. The email should be detailed, concise, and professional.

An man about 80 years old, lives alone. He looks very weak and undernourished. His lower limbs bones are tender and thin. Due to poor diet and loneliness, he lacks the essential vitamins and minerals for his bone formation. Explain bone formation (ossification) , and bone marrow formation which this man is lacking.​

Answers

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All bone formation is a replacement process. During development, tissues are replaced by bone during the ossification process. In intramembranous ossification, bone develops directly from sheets of mesenchymal connective tissue. In endochondral ossification, bone develops by replacing hyaline cartilage, bone formation, also called ossification, process by which new bone is produced. ... Soon after the osteoid is laid down, inorganic salts are deposited in it to form the hardened material recognized as mineralized bone. The cartilage cells die out and are replaced by osteoblasts clustered in ossification centres.

Hope it helps you

Which side is hypertonic ? A or B ?
Which side will gain water
What is c ?

Answers

Answer:

1-b

2-b

3-phospholipid bilayer

B side is hypertonic. It will gain water. C is Phospholipid layer.

What is Hypotonic Solution?

A hypotonic solution is a type of solution that has a lower osmotic pressure than any other solution to which it is compared. It is a solution in which a small amount of solute passes across a semipermeable membrane compared to the amount of solute in the other solution.

If the solute concentration outside the cell is lower than inside the cell, these solutes cannot cross the membrane, so the solution is hypotonic to the cell.

The cell membrane consists of a phospholipid bilayer containing embedded proteins present between these two solutions where a hypotonic solution has a relatively low concentration of solutes.

Thus, B side is hypertonic. It will gain water. C is Phospholipid layer.

Learn more about Hypotonic Solution, here:

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Researchers identify a gene in cockroaches that is responsible for their ability of nerve regeneration. How might it be possible for this gene to be used in treating human paralysis?

Answers

This gene could be analyzed to determine its homology level with a human gene, which then could be restored in its normal expression. This strategy can restore the normal phenotype in defective human cells.

Sequence homology, which refers to the level of evolutionary relationship among genetic or proteins sequences, is a fundamental subject matter to determine gene function.

From this approach (sequence homology search), researchers can identify valuable genes involved in diseases in which the restoration of their normal expression levels can be used to restore the normal phenotype in defective cells.

In this case, the identification of a gene in cockroaches that is responsible for nerve regeneration could be used for subsequent identification of a human homologous gene sequence, which then can be restored in order to treat human paralysis.

Learn more in:

https://brainly.com/question/6389591

g What is the ultimate cause of the many extinctions for the megafauna (Diprotodon, Giant Wombat, Marsupial Lion, Giant Goanna, etc) once found in Australia

Answers

Answer:

These animals are thought to have succumbed to hunting pressure related to the expansion of Australia's human population.

which describes fat?
A. a lipid that stores energy
B. a nucleic acid that directs cell function
C. a protein that speeds up a chemical reaction
D. a carbohydrate that produces energy​

Answers

A lipid is fatty acids which falls under fat , and lipids store energy hence A being the answer

Answer:

The answer is A

Explanation:

a lipid that stores energy

The trapezius is a(n) _____ to the pectoralis major.

Answers

Answer:

complement

Explanation:

The trapezius is a complement to the pectoralis major.

What is Trapezius?

The trapezius may be characterized as one of the widest and most superficial muscles that are located in the upper back and trunk region. It is triangular in structure, wide, and thin that encircles the upper back of the shoulders and neck.

While the pectoralis major is the most superior and largest muscle that is located within the region of the anterior chest wall. This muscle is thick, fan-shaped in appearance positioned beneath the breast tissue, and constructs the anterior wall of the axilla.

Both of these muscle types complement each other in every aspect such as location, structure, appearance, etc.

Therefore, The trapezius is a complement to the pectoralis major.

To learn more about Pectoralis major, refer to the link:

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brian period occurred approximately 500 million years ago, and we are currently in the Quaternary period.
PERIOD
ANIMALS
PLANTS
Humans
Flowering
plants
Mammals
Birds
Ginkos
Quatemary
Tertiary
Cretaceous
Jurassic
Triassic
Permian
Pennsylvanian
Mississippian
Devonian
Silurian
Ordovician
Cambrian
Reptiles
Pines
Amphibians
Club mosses
Horsetail rushes
Fems
Animals with shells
Fishes
Based on the chart, describe the trends that can be observed in animal and plant fossils as they evolved over time.
Use evidence from the chart to support your conclusions.
B IV x x Font Sizes
А 三星 三 三
А

Answers

Quaternary is the correct answer

57- From classes of Phylum: Annelida
A- Cestoda
B- "Trematoda
C- Myriapoda
D- Oligochnota​

Answers

Answer:

D- Oligochnota.

......

Hemolysis is:

O A) when a red blood cell is in a hypertonic solution and the cell ruptures

O B) when a red blood cell is in a hypotonic solution and the cell ruptures

O C) when a red blood cell is in a hypotonic solution and the cell shrinks

O D) when a red blood cell is in a hypertonic solution and the cell shrinks

Answers

A) When a red blood cell is in a hypertonic solution and the cell ruptures

How the plants survive in tropical rainforest?

Answers

Answer:

The plants have adapted to the rainforest environment by growing their roots deep into the ground and extending their leaves high into the tree canopy to receive sunlight for photosynthesis. Mant plants have adapted to the immense amount or water they are exposed to in their environment.e

explain why calcuim and phosphorus from bone are important to the human body

Answers

Answer:

the mineral calcium helps your muscles, nerves, and cells work normally. Your body also needs calcium (as well as phosphorus) to make healthy bones. Bones are the main storage site of calcium in the body

Why don't the hydrolytic enzymes Within lysosomes destroy each other?

Answers

Answer:

A lysosome is a membrane-bound cell organelle that contains digestive enzymes.  They break down excess or worn-out cell parts. They may be used to destroy invading viruses and bacteria. If the cell is damaged beyond repair, lysosomes can help it to self-destruct in a process called programmed cell death, or apoptosis.

Explanation:

If each of these food chains start with 10,000 grams of phytoplankton, how much reaches the highest trophic level in each food chain

Answers

Energy is transferred from one trophic level in a food chain to another. However, not all the energy available at a trophic level is transferred to the next.

Only about 10% of the energy in the lower trophic level gets to the immediate higher trophic level and the rest is lost as metabolic heat.

Thus, if a food chain starts with 10,000 grams of phytoplankton, the quantity that will get to the highest trophic level would depend on the number of intermediate trophic levels in between the lowest and the highest.

For every step the energy is transferred up the trophic level in the food chain, 90% of it is lost.

More on energy transfer in trophic levels can be found here: https://brainly.com/question/20135715

Help please, am I even doing this right?

Answers

Answer:

Looks good to me :)

Explanation:

What do you think would happen if the mitotic spindle did not function correctly?

Answers

Answer:

The presence of extra centrosomes leads to the formation of a multipolar mitotic spindle, which, if not corrected prior to anaphase, results in the segregation of chromosomes into more than two daughter cells.

Explanation:

A person who has type AB blood:

Answers

Answer:

B-positive (B+): 9%

AB-positive (AB+): 4%

A-positive (A+): 30%

Which method of timber harvesting removes all trees from the harvest area?

Answers

Clear-cutting is the most common method of timber removal. Clear-cutting removes all the trees in a given area, often by using large machinery. From an economic standpoint, the benefit of this approach is that humans can harvest maximum timber with minimal energy and cost.

Hey, I need help with this question:

Answers

Answer:

(D) two different species on the basis os reproductive behaviour

BRAINLIST PLS

what type of weather is typically associated with the air pressure system near Salem

Answers

Answer:

According to common weather maps of the region surrounding Salem, Massachusets, the weather typically associated with the air pressure system is rain.

Explanation:

Given the nature of warm air and its tendency to rise, warmer regions tend to fall under the low-pressure system category. These systems, due to the movement of the warm air, have lower pressure at their center than in the areas surrounding them. As the wind blows towards the low-pressure air systems, the cooler and warmer air meet within the atmosphere, which causes the water vapor to condense and form clouds. Oftentimes, these clouds then precipitate, causing rain.

Choose all options that apply. Which of the following medications are considered high-alert medications? | a) Heparin b) Insulin c) Ibuprofen d) Penicillin

Answers

Answer:

Insulin

Pls mark as brainliest answer if it helps you

When an unbalanced force acts on an object, in which direction does the object
move?
The object moves in the direction of the net force.
The object moves in the direction of the smaller force.
The object moves in the opposite direction of the unbalanced force.
The object moves in the direction of the unbalanced force.

Answers

Answer:

Explanation:

The object moves in the direction of the net force.   It depends on what you have been told. I would say that A is the correct answer.

^

|

|===================>

A

Both the forces shown above are unbalanced. But the object will not move in the direction of either of them. The net force is somewhere between the two given forces and that's the direction of the motion.

calculate the magnification of the drawing below, If the length of the leaf is 30mm and the length of the drawing made was 100mm​

Answers

Answer:

10

Explanation:

The magnification of the drawing made was 10 because it had a length of 100mm and originally had a length of 30mm. It can also be said that the magnification is 3 since dividing by the original length (30) we get: 100/30 = 3.

L 3.2.2 Quiz: Matter and Energy
Question 5 of 10
Which substance is an example of organic matter?
A. Carbon dioxide
B. Oxygen
C. Salt
O
D. Sugar

Answers

Answer:

D

Explanation:

An example of organic matter is sugar

D is the correct answer. Sugar is an example of Organic matter.

Carbon dioxide is inorganic. Oxygen is neither while salt is inorganic.

explain four example of cybercrime​

Answers

Answer: Hacking.

XSS: Cross-Site Scripting.

Denial-of-Service Attack.

Phishing Scam.

Spamming.

Explanation:

if bird cannot migrate what it does to survive

Answers

If a bird can not migrate, it must adapt to thrive on foods that are available in different seasons.

Matter begins to move through this food chain when the?

Answers

Answer: When the energy of the sun is captured by plants.

Which three structures are found in both prokaryotic and eukaryotic cells?

A. cytoplasm, endoplasmic reticulum, DNA
B. ribosomes, DNA, cytoplasm
C. nucleus, cell wall, cell membrane
D. cell membrane, endoplasmic reticulum, ribosomes

Answers

The answer is B. Prokaryotes do not have endoplasmic reticulum, cell wall, cell membrane or a nucleus. But they do have DNA (just not in a membrane bound nucleus), ribosomes, and cytoplasm.

what is iris diaphragm

Answers

Answer:

noun Optics, Photography. a composite diaphragm with a central aperture readily adjustable for size, used to regulate the amount of light admitted to a lens or optical system. Also called iris.

Explanation:

a flat, colored, ring-shaped membrane behind the cornea of the eye, with an adjustable circular opening (pupil) in the center.
Thanks!
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