Which of the following is NOT a way that humans can reduce flooding? Building a flood control dam

Removing trees and grass
growing near rivers

Building levees and walls

Making a river deeper or straighter

The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?

Could someone me with number one you

What must be done to breed dogs for a partical trait