Answer:
Sex chromosomes
Explanation:
Sex chromosomes affect your gender through X and Y
Answer:
A and D
Explanation:
Dolphins have a narrow, torpedo-shaped body to swim easily through water. Their strong, paddle-like flippers also aid in strong swimming.
However dolphins do not secrete gases or attach themselves to the bottom of the sea, so the answers are A and D.
Good luck ^^
Answer:
A heterogeneous mixture of water, carbon dioxide, oxygen, glucose molecules
If someone holds their breath the amount of carbon dioxide does increase. If that is what you were asking.
Answer: c)returned to the soil by rhizobium
Explanation: