DNA and RNA each contain four nitrogenous bases. They have 5 not 4.
Answer:
B matter not created destroyed bonds are
Answer: A. The alleles that a person has.
Answer:
Other deposits may be from fossilized bone or bird droppings called guano. Weathering and erosion of rocks gradually releases phosphorus as phosphate ions which are soluble in water. Much of the phosphate eventually is washed into the water from erosion and leaching.
Explanation:
A housekeeper I think , that's the answer
