True! because if you have more than one variable, you aren’t going to know which variable changed the dependent variable.
Answer:
Proteins and lipids
Answer:
black carbon which is "B"
The corect answer is: B. Intercalated disks.
I hope that helped! :)
Answer:
A
Explanation:
any form of asexual reproduction lowers rates of genetic diversity
(not an expert but I think that's it, we are finishing up invertebrates in biology right now so it's fresh on my mind)
