How do humans affect vegetation

Humans are now responsible for causing changes in the environment that hurt animals and plant species. People - humans, will build on top of vegetation, that they don't know is there. Pollution is a big cause that needs to be stops also. Humans affect plants and vegetation a lot. But can also be good for it to.

Explanation:

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answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e

they are both synthetic elements

explanation:

d