Cycles

Match it! Select the correct answer from the pull down...Good luck!

How do humans get the nitrogen they need?

What is a negative impact that humans have on the carbon cycle?

What type of igneous rock is found in the interior of the earth?

How are humans having a negative impact on the water cycle?

Plants take in carbon through the process of :

When oceanic crust is subducted and a convergent boundary,what type of rock can form?

How is water from plants released into the environment?

What type of plant has nodules on its roots that can fix nitrogen?