Which contributes to the greenhouse effect?
A. moving tectonic plates
C
B. warming water during El Niño
C. burning organic matter
D. eroding rocks and soil

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols