Answer:
4.2 GALLONS
Explanation:
Air is made up of nitrogen, oxygen, argon, carbon dioxide, neon, helium, krypton, hydrogen, and xenon.
the percentage of oxygen in the air is 21%
If a container has 20 gallons of air in it, oxygen in it = 0.21 x 20 = 4.2 gallons
WILL GIVE BRAINLIEST
please describe what terrestrial planets are in 4 sentences DO NOT SEARCH UP if you search it up i’m not giving brainliest sorry
Answer:
The definition of terrestrial planets is.. they are planets that are solid rock or metal. in our solar system, the terrestrial planets are the four inner planets. Our inner planets are Mercury, Venus, Earth, and Mars. Terrestrial planets are also known as Telluric or Rocky planets. The term “Terrestrial” is made of Latin word for Earth “Terra”. That is why terrestrial planets are also called “Earth-like” planets, due to the similarity in the structure of the planet Earth.