HELP PLEASE ASAP WILL GET 10 points When muscles in animals are exercised extensively in the absence of sufficient oxygen,

A. lactic acid is produced.

B. large amount of ATP is formed.

C. ethyl alcohol is produced.

D. NADH molecules move to the heart.

A. lactic acid is produced.

Explanation:

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.