Answer:
when animals breathe or die they give off carbon dioxide, humans when we eat and breathe we are exalting carbon dioxide that goes into the atmosphere.
The statement that weathering occurs as a result of direct contact with the atmosphere is true. Weathering is a process by which rocks are broken down by direct contact with the atmosphere which is caused by exposure to heat, ice, and elements in the atmosphere. Two type of weathering are: Physical and Chemical weathering.Physical weathering occurs when rocks, soil, or minerals are broken down through mechanical means.Chemical weathering occurs when rocks, soil, or minerals are broken down through reactions with chemicals that are in the air or are biologically introduced.
A. map
Explanation:
A map is a projection that is used to represent real life phenomenon on a two dimensional surface.
A project of the Gulf of Mexico showing currents and water depth would be a map.
Maps are very good descriptive resources for delineating surface and even subsurface features.
Weather maps usually cover current patterns in the world.
Water depth in places can also be presented using water depth maps too.
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Answer: The real tree house door should be 126 cm tall.
Explanation:
Given: Two students make a model of a tree house they want to build. The scale is 1:42.
i.e. 1 cm of model = 42 cm in real
if the in the scale model,the door is 3 cm tall, then the height of real tree house door = 3 x (42) cm
⇒ Height of real tree house door= 126 cm
Hence, the real tree house door should be 126 cm tall.
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