i think the answer is : A meiosis because The process of meiosis produces unique reproductive cells called gametes, which have half the number of chromosomes as the parent cell. Fertilization, the fusion of haploidgametes from two individuals, restores thediploid condition. Thus, sexually reproducing organisms alternate between haploid anddiploid stages.
C) the lungs.
The air moves down the trachea and into the lungs where it is picked up by the blood
Altitude decreases the temperature in the troposphere....
The lining of the back of eye containing two types of photoreceptor cells - rods - sensitive to dim light and black and white - and cones - sensitive to colour. A small area called the fovea in the middle of the retina has many more cones than rods.
The answer would be C
The illness doesn't have to be life-threatening to the point where they must go to the hospital, but it could still be a health risk.