Carbon dioxide (chemical formula CO2) is a colorless and odorless gas that is vital to life on Earth. This naturally occurring chemical compound is made up of a carbon atom contently double bonded to two oxygen atoms. Carbon dioxide exists in Earth's atmosphere as a trace gas at a concentration of about 0.04 percent (400 ppm) by volume.Natural sources include volcanoes, hot springs and geysers, and it is freed from carbonate rocks by dissolution in water and acids. Because carbon dioxide is soluble in water, it occurs naturally in groundwater, rivers and lakes, in ice caps and glaciers and also in seawater. It is present in deposits of petroleum and natural gas.

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6 0

2 years ago

Only specialist species are well adapted to their native habitats. Please select the best answer from the choices provided True

Alenkasestr [34]

The answer is False.

5 0

3 years ago

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Ron is observing an onion cell on a slide under a microscope. He sees chromatids being pulled to opposite end of the cell . Whic

Shtirlitz [24]

Anaphase I am not too sure

3 0

4 years ago

Which of the following show similarities between organelles and organs of the body?

sashaice [31]

Answer:

Organelles are specialized structures that perform various jobs inside cells. The term literally means “little organs.” In the same way organs, such as the heart, liver, stomach, and kidneys, serve specific functions to keep an organism alive, organelles serve specific functions to keep a cell alive.

Explanation:

8 0

3 years ago