Answer:
The frog has three respiratory surfaces on its body that it uses to exchange gas with the surroundings: the skin, in the lungs and on the lining of the mouth. While completely submerged all of the frog's repiration takes place through the skin.
Explanation:
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This question had choices:
A. nitrogen
B. hydrogen
C. water
D. ozone
<span>Miller and urey model is inconsistent with the finding that earth's early atmosphere lacked D. OZONE.
The Miller and Urey experiment used </span> water<span> (H</span>2<span>O), </span>methane<span> (CH</span>4<span>), </span>ammonia<span> (NH</span>3<span>), and </span>hydrogen<span> (H</span>2<span>).
Given the choices, ozone is not part of the experiment. Ozone is a chemical compound with formula O3. </span>
C is the correct answer
water cycle will renew water
Answer:
Either producer or decomposer