A person who has allergies has a compromised immune system because the body's immune system O attacks its healthy cells.
O overreacts to an antigen.
• steals nutrients from healthy cells.
• responds to mutagens.

relationships play a major role in a human's emotional and mental wellbeing. healthy relationships with the people around you are even linked to a smaller production of cortisol, a stress hormone.

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.

meiosis is the correct answer

answer: ice crystals in air

the water from the water body or another source of water gets evaporated as water vapor as an effect of heat on water. these water vapor rises in the upper layers of the earth atmosphere under high atmospheric pressure. the atmospheric pressure of these water molecules starts to decrease due to the effect of cold air. the invisible water vapor condenses into visible water droplets and ice crystals.these ice crystals and water droplets being less denser than the surrounding air floats on air as clouds.