Answer:
The Answer is RNA.
Explanation:
Because RNA consists of four nitrogenous bases: adenine, cytosine, uracil, and guanine. I am 100% sure that is the answer if it's wrong, very sorry.
A trait that is carried on any chromosome besides the X or Y chromosome is called <u>autosomal trait</u>
Option b is the correct answer
A.) Veins in the pulmonary circuit carry oxygen-rich blood
red blood cells are used to circulate oxygen through out the body, thus it is true.
Answer:
A
Explanation:
Correct answer is
A.) No. Theories can be refined and improved over time, but cannot become scientific laws.
Although earthquakes often occur before a volcanic eruption, they are not the cause. The earthquakes are the result of magma (molten rock) moving underground leading up to an eruption. A few volcanic eruptions are thought to have been triggered or initiated by earthquakes, but this is not the typical case.