Why is it important to add sugar to dough for the dough to rise?

How does a gymnosperm prevent itself from pollinating the same tree

Pls ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin