Can someone help on 31 a and b, and 32??

Pls need ! 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.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

Are the layers of rock above and below the coal older or younger?