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labwork [276]
3 years ago
9

5. What is blood volume and how is it related to blood flow?

Biology
1 answer:
Deffense [45]3 years ago
7 0

The viscosity of blood is directly proportional to resistance and inversely proportional to flow; therefore, any condition that causes viscosity to increase will also increase resistance and decrease flow. For example, imagine sipping milk, then a milkshake, through the same size straw.

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Can you determine which instances reflect a valid experiment or conclusion? Check only those that are valid.
Orlov [11]

Answer:

Only options A (first one) reflects the instances with valid experiment or conclusion.

Quality of any experiment depends upon two things reliability and validity. Reliability is measure of regeneration of results every time an experiment is performed under specific conditions.

Validity is measure of accuracy of results of an experiment. It can be check by two ways: internal validity (checks the design of the experiment) and external validity (checks if the conclusion is the real explanation of the phenomenon).

Now, in marine biologist experiment, he concluded the results only after one breeding season. This makes his results unreliable as it might have happened by chance.

Similarly, in cola experiment the taste was only checked by one candidate i.e. Karl. He might have problem in his taste buds. In addition, the temperature of cola can also affects its taste which is not taken care of in the experiment. Hence, it is not the valid experiment.

Similarly. Jeanette could use more plants for her experiment and Robert just followed only one instruction. He didn't perform any experiment.

<h2>* BRAINLIEST WOULD BE V APRECIATED :) </h2>

4 0
3 years ago
In place of thymine, what does RNA use as a base <br><br> Please help
11111nata11111 [884]
The first three are the same as those found in DNA, but in RNA thymine is replaced by uracil as the base complementary to adenine. This base is also a pyrimidine and is very similar to thymine. Uracil is energetically less expensive to produce than thymine, which may account for its use in RNA.
7 0
3 years ago
Fungi include which living organisms?
mojhsa [17]

Answer:

Yeasts and molds.

Explanation:

Hope it's helpful to you

7 0
3 years ago
Liquid water is thought to be unable to exist on the surface of the planet Mars. Although scientists hope to discover life on th
kow [346]

Answer:

I shall oppose to this notion

personally I think that since there no oxygen on mars the extraterrestrial creatures or alien plants may have alternative means of survival even if there ain't water

4 0
3 years ago
Read 2 more answers
1. Which of the following is NOT part of John Dalton's atomic theory? (1 point)
valentina_108 [34]
For the first question the answer is C. We know this because Dalton considered matter to be composed of very tiny indivisible particles called atoms which means it can't be further subdivided and thus no sub-atomic particles. And for the second question the answer is the Last one: <span>Ernest Rutherford. The rest of them did not give evidence of the existence of a nucleus or gave poor evidence. Hope this helps</span>
6 0
3 years ago
Read 2 more answers
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