<span> refers to the </span>transition<span>from high birth and death rates to lower birth and death rates as a country or region develops from a pre-industrial to an industrialized economic system.
</span>
Answer:
False
Explanation:
Cytosine, guanine, thymine, and adenine are collectively referred to as nitrogenous bases. These are not phosphates. The cytosine, guanine, thymine, and adenine are the four different types of nitrogenous bases. These nitrogenous bases are present in the deoxyribonucleotides. Cytosine and thymine are smaller in structure and have single ring structures. These are collectively called pyrimidines. On the other hand, adenine and guanine are the larger nitrogenous bases each with double ring structures. They are collectively called purines
The answer is B. If a cell has a nucleus its a eukaryote
