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Olin [163]
3 years ago
13

Why was the evolution of amphibians notable? What did they pioneer?

Biology
1 answer:
kobusy [5.1K]3 years ago
3 0
They are the first species that could live on dry ground.
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3 years ago
Read 2 more answers
The concentration of N2 in blood at 37 °C (body temperature) and atmospheric pressure (partial pressure of N2 = 0.80 atm) is 0.0
devlian [24]

Answer:

volume  = 0.285 L

Explanation:

Henry constant is given as

Henry constant  =  \frac{C}{P}

Where C  is concentration

P is atmospheric pressure

Henry\ constant = \frac{0.00056}{0.80} = 0.0007 M/atm

when atmospheric pressure 4 atm

solubility = K_H\times P

              = 0.0007 \times 4 = 0.0028 M

In 5 litere blood , moles of N_2 = Molarity \times volume

                                                     = 0.0028 \times 5 = 0.014

At surface moles  = 0.0056 \times 5 = 0.0028

Moles of N_2 release = 0.014 - 0.0028 = 0.0112

Mass of N_2 = 0.0112 \times 28 = 0.314 g

T = 37 + 273 = 310 K

VOLUME = \frac{nRT}{P}

= \frac{0.0112\times 0.0821\times 310}{1}

volume  = 0.285 L

6 0
3 years ago
A male rabbit w the genotype GGbb is crossed w a female rabbit with the genotype ggBb the square is set up below
Anika [276]
GG bb
gg GGgg bbgg
Bb GGBb bbBb

does this make sense ? I tried to set up the square best I can
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Research any harmful bacteria and write a short paragraph about it that includes:
alukav5142 [94]

Answer:

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Explanation:

It's a bacteria it's says virus but it's a bacteria

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science answer questions about what people should do

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