The process by which non-biodegradable pollutants become more concentrated near the top of a food chain is called

Bioaccumulation is the process in which there is increase in the concentration of pollutants in an organism at the top of a food chain. Bioaccumulation occurs when non-biodegradable pollutants such as chemical enter into an organism and the organism is unable to break down or excrete the chemical. The chemical then continues to accumulate until it eventually becomes deadly to the living organism.

d. in sexual reproduction, offspring have more chromosomes than

either parent.

asexual reproduction results in offspring which are genetically the same as the parent organism (not counting a rare mutation). sexual reproduction produces a random mixture of the genetics derived from both parents

explanation:

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.