The correct answer is (a) driving.
The pressence of undesirable substances in air is called as air pollution. There are many human activities that contribute to air pollution. The biggest contributor is driving. The pollutants that comes out of the car are carbon dioxide, carbon monoxide. They also release hydrocarbon and nitrogen oxides which when combines in sunlight becomes ozone. Air pollutants emitted by cars and other automobiles increases the level of harmful gases which to severe health problems such as heart disease, asthma, irritation in eyes.
Decomposers
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decomposers
Answer: The production of red blood cells.
Explanation:
The oceans, lower atmosphere, and continents are parts of the biosphere.
The biosphere is composed of the parts of planet Earth where life exists and it is the total of all the ecosystems. The biosphere along with lithosphere (rock), hydrosphere (water) and atmosphere (air) are the four layers that surround the earth. The biosphere covers a wide area from the deepest root systems of trees, to rainforest, to the ocean depth and high mountaintops. The biosphere contains living organisms and nonliving things from which they obtain energy and nutrients.
