Which of the following is NOT one of the ways that the carbon
cycle adds CO2 to the air?
A. Cell respiration
B. Burning of fossil fuels
C. Cutting down forests
D. Industrial pollution resulting in acid rain

Q1.8. continuing your studies, you perform a transplant experiment. you chisel up multiple rocks from the upper intertidal zone, each holding 10 individuals of species a, and move them to the lower intertidal zone among individuals of species c. you count the number of individuals of all species on the rocks every day for 30 days. based on your findings, what can you conclude? (remember that all 3 species settle in this zone at equal rates.)

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal