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3 years ago

What characteristics of fossils are most useful in correlating sedimentary rock layers?

Biology

2 answers:

NeX [460]3 years ago

8 0

Answer:

The characteristics of fossils that are most useful in correlating sedimentary rock layers are:

Wide geographic distribution but limited to a particular formation.

Explanation:

the reason behind this answer is because the correlation of sedimentary rock layers requires a geographic distribution large enough to preserve all the fossil elements. However, it requires to be only a zone delimited to the body of fossilization because otherwise, it could contain elements from another fossil.

ohaa [14]3 years ago

6 0

This question had choices. They are the following:
(1) Limited geographic distribution but found in many rock formations
(2) Limited geographic distribution and limited to a particular rock formation
(3) Wide geographic distribution but limited to a particular rock formation
(4) Wide geographic distribution and found in many rock formations

My answer is: 3) Wide geographic distribution but limited to a particular rock formation.

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In a certain population of rabbits, the allele for brown fur is dominant over the allele for white fur. If 20 out of 100 rabbits

babunello [35]

I believe it gives you the answer. It should be one fifth or 20%. #TeamAlvaxic

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3 years ago

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Systole is the ________ phase of the cardiac cycle.

MrRa [10]

<span>B. Relaxation

</span>Systole is the ________ phase of the cardiac cycle.
NOT:
A. Contraction
<span>C. Monitoring </span>
<span>D. Termination</span>

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2 years ago

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Consider how Photosynthesis and Cellular Respiration are linked. Explain how, together, the 2 processes can be described as a cy

miv72 [106K]

The products and reactants of each cycle are connected. reactants of photosynthesis (6O2 and C6H12O6) are recycled as products in cellular respiration which produces 6H2O 6CO2 and energy to fuel photosynthesis

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2 years ago

You have a 16N sack of potatoes that you need to lift onto the kitchen counter. You set up a pulley system with a mechanical adv

natali 33 [55]

A force of 8 N will be required.

<h3><u>Explanation:</u></h3>

Mechanical advantage is defined as the ratio of output force from a system to the input force into the system. A machine which has the mechanical advantage more than 1 means it requires less force to give more force as output. Similarly, when the mechanical advantage for the machine is less than 1,it means more force is required to give to achieve a less one.

Here in the question, the mechanical advantage of the pulley is 2.

Output force required to pull the sack of potatoes upto kitchen is 16N.

Mechanical advantage = Output force / input force.

Or, 2= 16 / input force.

So input force = $16 / 2 =8.$

So a force of 8 N will be required to pull the pulley.

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3 years ago

A couple is having a baby.The father is homozygous dominant (HH) for curly hair. The mother is homozygous recessive (hh) for str

Alona [7]

Answer:

Your question is incomplete but supposing that the mother is a recessive allele and the father is dominant, we deduce that his daughter could have curly hair or else wavy hair that would be a combination of the two since both parents can incompletely dominate

Explanation:

The chances that your child has curly hair is 50%, that is, it would be the most likely, and also the genotype that you would need for this child to have curly hair would be: CC with CS or CC with CC

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2 years ago