It's easy to get elements, compounds, and mixtures confused.

What is the answer for this

What is earths lithospheric plates interact at

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules