Look at the diagram below showing a nutrient cycle in an environment and

use it to answer the questions that follow.

Which nutrient cycle plays a role in global warming?

Coal acts as a carbon sink.

Combustion is another word for burning, where oxygen is used, and carbon dioxide is released. 

Look at the diagram below showing a nutrient cycle in an environment. Identify the nutrient cycle.

Which of the following processes in the water cycle is responsible for cloud formation?

Which organisms are primarily responsible for removing carbon dioxide from the atmosphere?

Which statement is TRUE about ecosystems?

What is the main source of energy for most ecosystems on Earth?

Herbivores are producers.