Continental drift happened around the Jurassic period, 175 million years ago.
<span />
Sperm production is hormonally driven. Brain hormones govern sperm production and are precisely controlled. So I say yes
Answer:
having exactly the same DNA sequences, twins start accumulating genetic variation from the earliest stages of development, researchers at Iceland-based company deCODE genetics found, meaning that one twin harbors variants that aren't present in the other.
Answer:
joules
Explanation:
one of the basic units of energy.