Answer:
C. type of fertilizer because the ferilizer varies in the amount of chemicals they have.
Explanation:
Carbonate groups contain a single carbon atom, and three oxygen atoms in a trigonal molecular geometry. The carbon atom has two single bonds to two oxygen atoms and a double bond to the third oxygen atom. Therefore, in addition to carbon, carbonate minerals contain oxygen. An example of a carbonate mineral is calcium carbonate, often found within rocks.
Ans These differences show that they belong to a same kind of species. But in science whales are categorized as mammal
Explanation:
Answer:
The independent variable is "controlled" or held constant in the control group.
Explanation: