Answer:
B. A group with 30 DD parrots, 40 Dd parrots, and 30 dd parrots.
From the choices, the elements that would be of priority are hydrogen, oxygen, and carbon. These elements may then react to form the necessities of a human life and other organisms which include water, carbon dioxide, and glucose.
Ionic compounds are formed between a cation, which is usually a metal, and an anion, which is usually a nonmetal. A covalent bond involves a pair of electrons being shared between atoms. I hope this helps you out.
Answer:
C. muscle cell, muscle tissue, stomach.
hope that helps
Explanation:
Mutations have an important role in how species change over time.