Why is it healthier to boil cold water rather then hot water?

When making french onion soup, how do you prepare the onions? a.sweat and caramelize b.burn c.steam d.caramelize and add mayo e. add no stock.

In one paragraph, explain how technology has influenced the perception of body image and weight management in both negative and positive ways. use supporting details in the form of facts, statistics, and examples. in another paragraph, describe an individual healthy weight-management plan. the plan should include specific details about goals, diet, exercise, and evaluative monitoring.

Can someone give me a hand with this one.