Answer:
Plants absorb carbon dioxide, water and sunlight to make their own food, grow and release oxygen through photosynthesis. They're a huge part in keeping our air clean.
Explanation:
Hope this helps.
Answer:b) The air at high altitudes are less dense, so its harder to breathe.
Explanation:
AS altitude increases, the air pressure drops. This reduces the amount of gas molecules in the air so the air becomes less dense compared to air closer to sea level.
Answer:
A
Explanation:
Evoulousion's meaning is the changing of a species over a period of time.
D.All of the above.
Paper from softwood/hardwood trees
Resins-from tree barks
Medicinal-some trees have medicinal properties such as Witch Hazel