What developmental changes occur during adolescence?

Which element is found in both dna and proteins

Earths energy sources include both renewable and nonrenewable resources. name at least three sources of energy that could be used in your house. then describe the ideal energy source for generating most of your homes electricity, and explain why you chose that source. can someone give me some ideas, i’m kinda confused.

Does all the energy stored by the phytoplankton reach the top level of the pyramid