Depending if the reaction is a reversible or an irreversible one, the direction of the arrow will point in one direction or 2 directions from reactants to products.
Answer:
A. Clastic sedimentary rocks
Explanation:
Chemical form = CaCO3
Clastic sedimentary rocks form from the accumulation and lithification of mechanical weathering debris. Examples include: breccia, conglomerate, sandstone, siltstone, and shale.
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All of the different kinds of organisms in a forest would be considered a community.
A.) Hydroxide ion is the negative ion found in bases.
C.) Color change occurs during neutralization reaction.
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