Carbon dioxide, water, light and chlorophyll are necessary for photosynthesis.

Mass- kilograms and grams, distance- meter ad centimeter, volume- cubic meter and cubic centimeter

Statistics is applied in biology as a branch called bio statistics. Its application is majorly found in genetics

Botany, zoology, biochemistry, biotechnology, chemistry, genetics, microbiology, computer science, aeronautics, electronics, astronomy, mathematics, geology, palaeontology, etc..

Smoking releases harmful gases that cause pollution.

Knowing about plants helps in its application in various fields to increase the food production.

Iron is a metal. It consists of free electrons that conducts electricity.

The only way that controls air pollution is to grow plants.