Answer:
Billions
Explanation:
"Then each of these strands can be used to create two new copies, and so on, and so on. The cycle of denaturing and synthesizing new DNA is repeated as many as 30 or 40 times, leading to more than one billion exact copies of the original DNA segment."
Answer:
The best answer choice is C. either from food or sunlight
Explanation:
Humans and Animals need to eat food to get energy
Plants use sunlight to create their own food.
Answer:
dear user
the answer is option no.1 protons are in the nucleus and ,with electrons and neutrons orbiting the nucleus
The system that is responsible for breaking down food and releasing essential nutrients and other substances that the body needs and requires is the digestive system.
An organism's trophic level refers to the food chain position that it occupies. Producers always occupy the Trophy level 1, Primary Consumer occupies the Trophy level 2, Secondary Consumer has the Trophy level 3 and the Tertiary level fills in the Trophy level 4.
