Answer:
increases levels of greenhouse gases
Explanation:
Answer:
Is ther supposed to be a list or a picture ?
Explanation:
Answer:
controlled experiments
Explanation:
Experiments in which all variables are identical except for one are called controlled experiments. This where an observer tests his hypothesis by looking on changes that were brought about by one variable. The results are always dependent on one adjusted variable.
Answer:
The skin helps in the cooling of the body,when there is exess temperature in the body,the skin reduce it and changes it in the form of sweat and also skin acts as a passage of the sweats.