The answer is B they are acquired through exposure to mutagens.
Answer:
3% of the earth's water is fresh. 2.5% of the earth's fresh water is unavailable: locked up in glaciers, polar ice caps, atmosphere, and soil; highly polluted; or lies too far under the earth's surface to be extracted at an affordable cost. 0.5% of the earth's water is available fresh water
Explanation:
please give brainliest
Answer: remove CO2 from the atmosphere during respiration
Explanation: I got the question right
Because it can analyze of what we are made of and who were our ancestors by studying our DNA.
Answer:
True
Explanation:
Normal flora are microorganisms that are regarded as resident organisms, which can be found on or in an individual and do not cause any disease.
the transient flora refers to microorganisms that are found on the skin or the hands which are there through direct contact with person or object, and are easily removed by routine hand hygiene. Example is Norovirus that can cause stomach flu.
Opportunistic pathogens are microorganisms such as the bacteria and virus, which can only cause infection when the immune system is down. This means that , these organisms can not cause any infection as long as the immune system is ok.
In this case, the normal and transient flora like Norovirus can only cause infection when the immune system is down. That is why they are regarded as opportunistic pathogens.
