What human activity would have the most significant effect on the temperature of the earth? a) deforestation b) producing smog c) producing cfcs d) burning fossil fuels

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.

Explain how light energy is turned into chemical energy? ! due tomorrow!