Can you pls help with this fill in the blanks? Electron carriers
Receive electrons from a compound for energy and donate them to a compound for energy.
The and the are good examples.

Thanks for your help !

Most of earth’s fresh water is found in oceans and seas stored in glaciers and ice caps groundwater stored beneath the surface found in lakes, rivers, streams, and reservoirs

Flock x flock y flock z total pieces of food eaten (from previous page) 147 93 60 food percentage* % % % simulated number of birds in flock for 3rd generation** * divide each flock's total pieces of food by 300, the total number of pieces of food eaten. ** multiply the food percentage for each flock by the total number of birds (30).

What is the 77 element on the periodtic table