composition of air is the result of life on earth. give reason
Answers
Answer:Encyclopedic entry. Air is the invisible mixture of gases that surrounds the Earth. Air contains important substances, such as oxygen and nitrogen, that most species need to survive.Air is the invisible mixture of gases that surrounds the Earth. Air contains important substances, such as oxygen and nitrogen, that most species need to survive. Human beings, of course, are one of those species. Sometimes, the word "atmosphere" is used instead of the word "air."
Standard Dry Air is the composition of gases that make up air at sea level. It is a standard scientific unit of measurement. Standard Dry Air is made up of nitrogen, oxygen, argon, carbon dioxide, neon, helium, krypton, hydrogen, and xenon. It does not include water vapor because the amount of vapor changes based on humidity and temperature. Because air masses are constantly moving, Standard Dry Air is not accurate everywhere at once.
Nitrogen and oxygen make up about 99 percent of Earth’s air. People and other animals need oxygen to live. Carbon dioxide, a gas that plants depend on, makes up less than .04 percent.
Plants and animals each produce the gases that the other needs to live. Plants need carbon dioxide—people and other animals exhale carbon dioxide as a waste product. People and other animals need oxygen—plants produce oxygen during an important process called photosynthesis, which turns the sun’s energy into nutrients.
Explanation:
Answer:
Explanation:
we know that air is a mixture of various gases like nitrogen, oxygen, carbon dioxide etc and all these gases help the living organisms in their survival. For eg: nitrogen is mainly required by plants for protein consumption, oxygen is required by the living organisms excluding plants for respiration, carbon dioxide is required by plants for the food making process called photosynthesis. All the living organisms are interrelated and interdependent for their survival. Due to the composition of air various organisms do exist and are able to maintain the ecosystem which results in the possibility of life on earth.