Multiple specis that lived during the stone age are now extinct
During the paleolithic stage species began advancing
The new stone age is also known as the Neolithic stage.
Judge the likelihood of things in terms of how well they represent a particular prototype.
It made shipping goods difficult
A couple good questions would be: (assuming it's an experiment) Can it be redone with the same result and can the information being used be cited. Hope it helps!
Answer: caffeine
Explanation:
Caffeine acts as the stimulant for someone to stay alert for a longer period of time however the high consumption of caffeine has its own side effects or disadvantages in one's body.
It may disrupt your usual sleeping pattern or cause you to stay awake longer that intended which may in return lead to some anxiousness.
It has an effect on the functioning of muscles which may lead to twitching .It affect digestive system which may cause other people to get diarrhea or even feel nauseous.
