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Artist 52 [7]
3 years ago
14

There are stretch receptors in the aorta and carotid arteries, and they are stimulated when blood pressure falls. If blood press

ure falls, then the body would take measures to ________________________.
I. make certain that the kidneys conserve water.

II. produce urine that is clear and diluted.

III. increase the water in blood plasma.

IV. decrease blood plasma volume.

A) I only
B) I and II only
C) I and III only
D) II and IV only
Biology
1 answer:
qaws [65]3 years ago
7 0
C) I and III only just got this question on usa test prep and therefore i'm right 
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What is the mass of an element with 15 protons, 13 electrons, and 11 neutrons?
RSB [31]

Answer:

B. 26amu

Explanation:

The nucleus of an atom in an element contains protons, electrons and neutrons. The proton number equals the electron number in a neutral atom. The proton number is also called the atomic number, denoted by Z.

The mass number also called Atomic mass unit (amu) in this case, of an element is the sum of the proton number and the neutron number in the atom of that element. The mass number is denoted by A.

Hence, A = Z + N

Where A = Mass number

Z = Proton (atomic number)

N = Neutron number

In this question, N is 11 while Z is 15

Hence, the mass number of the element in the question, in AMU, is 15 + 11 = 26amu.

8 0
3 years ago
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6 0
2 years ago
Which of the following could result in the extinction of a species?
mylen [45]

Increased population size will result in the extinction of a species of organisms.

<h3>What is Extinction?</h3>

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When population size increases, it leads to unavailability of food and reduction of species due to starvation and death.

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I need help... I can't do this does anyone know how to do this if so thanks!!
kati45 [8]

I know the first two for the fill in:

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