Which statement describes clean air as a natural resource? check all that apply.
clean air is essential for health and survival.
clean air provides nitrogen gas for plant respiration.
clean air is where high levels of ultrafine particles circulate.
clean air reduces risk of illnesses and other health problems.
clean air supplies oxygen that enables living organisms to breathe.

Statements describes clean air as a natural resources are

Explanation:

Clean air is absence of pollutants,dirt particles and chemicals. For health and survival air is very essential as it is an important part in continuing essential cycles that makes life possible on Earth.

Polluted air can lead to severe health problems like respiratory and lung diseases, leukaemia, cardiovascular problems, nerve disorders,liver problems, early death, birth defects and it can weaken the immune system, for this clean air is essential.

Clean air supplies oxygen that can be used by living bodies to carry out various metabolic processes.

The correct answers are "Clean air is essential for health and survival", "Clean air reduces risk of illnesses and other health problems" and "Clean air supplies oxygen that enables living organisms to breathe".

Explanation:

Clean air is a natural resource that provides oxygen that enables living organisms to breathe by a series of complex interactions that involve the intake of carbon dioxide from photosynthetic organisms. Clean air is essential for health and survival because aerobic organisms, such as humans, need oxygen to obtain energy from food. Also, clean air reduces risk of illness and other health problems; particularly, the risk of having diseases related with the respiratory system.

a adaptation is when organism changes itself to fit the environment

ex. when its cold outside i wear a jacket

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answer: b: experiments that showed that all cells are similar in how they metabolize and in their composition

explanation: