Answer: D) the central and peripheral nervous systems
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The correct answer is C - carbon dioxide.
The distribution of gases in the earth's atmosphere is as follows:
1. Nitrogen - 78 %
2. Oxygen - 21 %
3. Argon - 0.93 %
4. Carbon dioxide - 0.038%
Nitrogen, oxygen and argon are permanent gases whose percentage in the atmosphere does not change from day to day.
Gases such as carbon dioxide, nitrous oxides, methane, and ozone are known as trace gases which make up 0.1% of the atmosphere.
Answer:
Select a grilled or steamed meal.
Explanation:
Grilling over heat releases fat from meat. Grilled meats are lower in calories than others. Although grilled meats can cause cancer so..
A species of frog slowly dies off because it cannot compete with the toads and lizards that share its ecosystem is an example of background extinction
