Answer:
Renewable resources = electricity,wood
Non renewable resources= petrol,diesel hope u understand
Answer:Pigs have the same DNA as humans
Explanation:
I think it’s T lymphocytes?
It says: T lymphocytes attack antigens directly and help control the immune response. They also release chemicals, which control the entire immune system....
Answer:
Hi There! :P
Explanation:
A controlled experiment is simply an experiment in which all factors are held constant except for one: the independent variable. A common type of controlled experiment compares a control group against an experimental group. All variables are identical between the two groups except for the factor being tested.
<em>happy to help!</em>
