erinolson07cats
11.11.2020 •
Biology
Where do decomposers get their energy from A)sun B)plants C)dead plants and animals D)humans
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Ответ:
They are all living things that get energy by eating dead animals and plants and breaking down wastes of other animals.
Explanation:
Ответ:
c) dead plants and animals
Explanation:
they break down what's left
Ответ:
Option D.
Semilunar valves closing.
Explanation:
Heart sounds refer to the noises produced when the heart beat and blood flow through the heart.
The second heart sounds called dub is produced when semilunar valves closes which are the aortic and pulmonary valves. The sound produced by the closure of aortic verve is called A2 and the sound produced by the closing pulmonary verve is called p2. The A2 sound is Louder than the P2 sound because of the high pressure in the left chamber of the heart.