B. chloroplast carrries out photo synthesis
I think that people have lost their jobs because of an increase of computers
<span>Polyploid plants are usually stronger and better</span>
Answer:
Pollution is the presence of harmful materials in the environment of a substance that has harmful or poisonous effects. Nitrogen dioxide (NO2) and Carbon monoxide (CO) are 2 pollutants of air and Industrial Waste and Sewage and Wastewater are 2 pollutants of water.
Answer: 21
Explanations: because 9+10 =21