What is on the end of all charged trna molecules

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

Plz ! ive been stuck on this forever

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.