extinct organisms; that is, they belong to species that are no longer living anywhere on Earth. (3) The kinds of fossils found in rocks of different ages differ because life on Earth has changed through time.
When it increases the pH goes down
it separates the inside of the cell from the environment outside and it controls substances moving in and out of the cell (selectively permeable)
Answer:
curdling of milk is a chemical change.
Explanation:
because it formed by a chemical process of fermentation. moreover, a chemical change is a change that can't be reversed. This process can't be reversed as well so it's a chemical change
<span>You wouldn't be able to defend against germs</span>
