Answer:
Of the the main causes of air pollution is over population.
Explanation:
In order to sustain more people, we have to produce more food and other things to sustain life. All the manufacturing leads to the burning of fossil fuels.
Answer:
Chlorophyll is a green photosynthetic pigment found in plants, algae, and cyanobacteria. Chlorophyll molecules are specifically arranged in and around pigment-protein complexes called photosystems, which are embedded in the thylakoid membranes of chloroplasts.
Explanation:
Hope this helps!
Explanation:
Existing age-sex structure
Availability of family planning services
Social and religious beliefs - especially in relation to contraception and abortion
Female employment
Economic prosperity (although in theory when the economy is doing well families can afford to have more children in practice the higher the economic prosperity the lower the birth rate).
Poverty levels – children can be seen as an economic resource in developing countries as they can earn money
Earth resembles a "blue marble" when viewed from space primarly due to the presence of water on it's surface.
Water cover 70% of the earth's surface but only 2.5 of it is fresh and drinkable.
