1. air pollutants can do all of the following except:
a . damage the respiratory system
b . enter the bloodstream and harm other parts of the body
c . cause discoloration to your hair
d . reduce your protection from the sun's radiation
true or false:
2. biodegradable waste threatens the health of humans.
a . true
b . false
3. some air pollutants are harmful to the ozone layer.
a . true
b . false

The answer is B. It happens when any hurtful gasses, clean, smoke goes into the environment and makes it troublesome for plants, creatures and people to get by as the air winds up noticeably messy. Air contamination can further be arranged into two segments Visible air contamination and imperceptible air contamination.

All of the statments are true.Air pollutants can damage the respiratory system, because we can inhale them into our lungs. They can also reach the bloodstream and cause problems They can cause discoloration to our hair because of certain chemicals. They can reduce protenction from the sun because air pollutants harm the ozone layer, which protects us from violent rays. 2. False. Biodegradable waste means that the waste is made of organic materials and can be broken down into simple molecules such as carbon dioxide and water, which are not harmful to humans. 3. The correct answer is true. As stated in response to the first question, air pollutants can harm the ozone layer, which protects us from the sun's violent rays. One of these air pollutants, is chloroflourocarbons.

While severely underweight people might suffer from brittle bones, overweight people might suffer from issues with bones due to their excess weight. Both might suffer problems with fertility, both might suffer problems with physical condition because they are ill-equipped with their current weight for the tasks at hand.