Answer:
D. Library Book
Explanation:
This is because library books can not be recycled. Sorry if my answer is wrong, just trying to help.
Answer:
overreacts to an antigen
Explanation:
Allergies to substances are as a result of immunological dysfunction.
Answer:
Yes earth is only so big
Explanation:
SUPOSSEBLY IN 2035 we will have a small civilization on mars. Cause in 1 million years or less humans will be over populated on earth and forced to make room underground or higher in the skies like outer space!
B. It is rigid it is important becuase it keeps the plants structure and it allows the plant to stand upright.It is not a fluid and because it is rigid it does not stretch.It cannot be C. because the cell wall is made of cellulose and it is a non living maerial therefore it cannot be alive
