Answer:
a. When a fetus is 13-15 weeks old
Explanation: is correct
Answer:
Rats can survive several days without food but only 48 hours without water.
Explanation:
Also, for anyone who didn't know this, rats eat even when they are not hungry. So, if you feed them constantly, they will eat constantly
Answer:
Yeast is used in bread making
"Results and survival and reproduction of organisms best suited for their current environment."