The answer is 7 because 2,000 is 10. Hope this helped
It allows Nutrients and waste substances to pass through them
A combination of genetics and environment.
The answer is option C "Calories" Calories is a unit of measure for food or energy. Calories are also the amount of energy you consume when you eat or drink something. Kilocalorie are equal the amount of 1000 calories.
Hope this helps.
Answer:
because they partly copy the original ones thereby using substandard things to make them look like the originals
