Cows can produce both methane and carbon dioxide through their natural, bodily systems.
* '''carbon dioxide''' * '''oxygen''' '''this are your two types of gases that help living things'''
* '''carbon dioxide''' * '''oxygen''' '''this are your two types of gases that help living things'''
oxygen and carbon dioxide are the 2 most important gases for living things
Two characteristics of living things are the ability to grow and develop, and the ability to reproduce.
as far as i know it controls it and splits it in two to make living things grow
The two qualities living things of the troposphere is the birds and humans so that living need to survive.
The two basic needs of all living things are food and water.
While there are many more than two particular things that are essential to the survival of both humans and animals, I think that the answer you're searching for is water and oxygen. These two specific things are critical to the survival of nearly all living organisms (in one form or another).
Carbon and Hydrogen.
The union of two living things that depend on each other is co-dependence.
A Living Organism.
canada