Answer: A). A piece of DNA that controls a trait
Explanation: A gene is a functional unit of hereditary. A gene determines the characteristics of an offspring. Genes are said to be functional unit of hereditary because they are transferred from the parents to the offsprings.
A gene is a nucleotide sequence found on a chromosome which determines a trait in an individual.
Answer:
A.) NO₃⁻
Explanation:
NO₃⁻ = nitrate
NO₂⁻ = nitrite
NH₃ = ammonia
N₂ = nitrogen (nitrogen naturally exists as a diatomic molecule)
I believe that the answer is C. Win blowing across water. Because the wind blowing across the water would cause force that would make waves
Answer:
The capillaries
Explanation:
This is where the exchange of gases , nutrients and waste occurs between the tissues and the blood due to the small pores and spaces are between the cells
