Answer:
Basically land pollution is caused due to urbanization, mining, industrialization, landfill and improper waste disposal of agricultural chemicals . Major chemicals responsible are pesticides, lead, heavy metals, petroleum hydrocarbon etc.
Explanation:
Mining:
This creates large holes in the ground which in a long run causes soil erosion. Mining also removes the topsoil making teh soil barren land.It also releases harmful chemicals that contaminates the air and soil.
Industrialization:
The waste from the industry contains heavy metals in it. Which pollutes the urban soil as well as the cropland. Among all lead is most toxic that causes major part of land pollution.Also the chemicals makes the land infertile for making cultivation in it.
Well, I know 4 is A and 5 is D.
Answer:
B or D
Explanation:
think of it how you use chalk on a chalk board, its less friction using chalk instead lets say a marker on a white board.
The product of meiosis II is four haploid gamete cells.
Hope that helps
I believe it is the circulatory system, although I'm not entirely sure