Amount of sunlight, distance from equator, and height above sea level
20 g of 20% means you have 20*0.2 - 4 g CaCO3 to start.
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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.
Answer:
The positively charged subatomic particle in the nucleus of an atom is the proton.
Explanation:
Atom; is not correct because it is not a subatomic particle, but instead, those particles are part of it.
Protons; is correct because they are the subatomic particles that are positively charged.
Electrons; is not correct because they are subatomic particles that have a negative charge.
Neutrons; is not correct because they are subatomic particles that have no charge,
Electrical charge; is not correct because it is not a subatomic particle, and it developes from the interaction of them.
