D. a new substance is formed. if it is chemical change then it is actually changing to something new. In this case a new substance is formed. It is a completely different substance from what you started out with.
I think c. Is right because pollution can contaminate the entire world if we don't work together
Answer:
In botany, a stoma, also called a stomate is a pore, found in the epidermis of leaves, stems, and other organs, that controls the rate of gas exchange. The pore is bordered by a pair of specialized parenchyma cells known as guard cells that are responsible for regulating the size of the stomatal opening.
Explanation:
Hipe this help!!
Either human-environmental interactions or deforestation
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