Answer:
Earth's atmosphere is a layer of gases surrounding the planet Earth and retained by the Earth's gravity.
Explanation:
It contains roughly 78% nitrogen and 21% oxygen 0.97% argon and carbon dioxide 0.04% trace amounts of other gases, and water vapor. This mixture of gases is commonly known as air.
A researcher is studying the science of attractiveness and asks volunteer test subjects to rank what trait they find most attractive in a person. What type of variable is the dependent variable in this experiment?
-Categoric
Sunny~ ☺
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Answer:
Infrared light
Explanation:
They can be used to heat up food and are often used in fast food restaurants.
