Adenine, Thymine, Cytosine & Guanine
Answer:
a
Explanation:
the kidney secretes an enzyme called rennin that helps to control blood pressure is not true the kidney does not secret rennin
Answer:
the different phases of the moon are proof that it revolves around the earth at the rate it does, so if it revolved around earth much more slowly, then the phases wouldn't be visible because the sun wouldn't hit the moon as it does now
Explanation:
i don't know why this is being taught who cares about the moon
Y chromosome because it has been passed down through generations, one man 60,000 years ago