I think brainstorming is helpful when solving a problem because it helps to get all of your ideas out and then you can choose the best one.
Answer:
Food
Explanation:
Eating before exercising makes an individual heavy thus feeling sluggish
Answer:
a.
Explanation:
The first drawback is basically money. It takes loads of money to lead researches, because you either have to pay a lot of people to collect these data or do it yourself and take years to find a numerous group to provide a good amount for a trustworthy, important research.
Answer:
The kingdoms united for protection against attacking invaders.
