Answer:
C
Explanation:
As air passes through our own body causing respiration
<span>Yellow marrow fills the canals of long bones, and red marrow is found in the rounded ends of long bones (for example, the femur). Red marrow is made up of components of blood (red & white blood cells, platelets), while yellow marrow is primarily composed of fat cells.</span>
<span>Allele frequency is a factor within a population that can be studied in order to determine whether or not a population is evolving. Alleles are one of two or more ways in which a particular gene can be expressed. One can measure this expression in a population and measure its frequency to measure whether or not the population is evolving.</span>
Ozone is the pollutant that forms when automobile emissions react with oxygen gas and ultraviolet light.
