Answer:
Water erosion can contribute to pollution.
Explanation:
Remember that pollution refers to the introduction of contaminants in natural environments causing negative changes in the ecosystem.
Water erosion is possible because of the sediments that carries and erode soil surface. Also, it can contribute to water contaminations because of the different types of sediments can carry, finally causing pollution.
Haploid; reproductive
After the halving of chromosomes, the cell becomes a haploid and this is done for gametes, or reproductive cells.
The greatest advantage of using DNA technology to produce medicines has been that B. medicine can be distributed at a reduced cost. The medicine becomes easier to produce due to DNA technology. One may consider insulin as an example of this, which had to be extracted from the blood from animals before it could be produced using DNA technology.
Since the aphotic zone does not recieve sunlight it relys on the photic zone for the sunlight which in terms it does penetrate.
The pollutants in 1970 were the highest since recorded history and are declining steadily.