Smog, because it's a fog or haze combined with smoke and other atmospheric pollutants.
If a species wanted to remain small in order to camouflage better!
Answer:
Unlike plant cells, animal cells lack a cell wall.
Explanation:
Answer:
d. Crossing over
Explanation:
Crossing over is a process that occurs during the meiosis (prophase 1) and represents the exchange of genetic material between non-sister chromatids of homologous chromosomes. As a result of this process new recombinant chromosomes (new allelic combinations in the daughter cells) are formed. Crossing over is a source of genetic variation.
Gas , it cannot be after the reaction