Front

What is a biogeochemical cycle?

Back

matter and energy circulation through living beings and the environment

Front

Main reservoirs of water?

Back

oceans, earth, and atmosphere

Front

Where is the largest phosphorus reserve found? Options: in the ground, in the rocks, in sea sediments

Back

in sea sediments

Front

What is the process that extracts phosphorus from the rocks?

Back

weathering

Front

How is phosphorus returned to the atmosphere?

Back

by the actions of decomposers

Front

Why is phosphorus important in animals?

Back

It is an important component of genetic material.

Front

What are the products of the photosynthesis process?

Back

glucose + oxygen

Front

What is Ozone?

Back

It is a gas composed of three molecules of oxygen

Front

Why is Ozone important for living beings?

Back

Because it forms a layer that protects the Earth from the UV rays

Front

How is Carbon Dioxide released and returned to the atmosphere?

Back

by burning fossil fuels