Pollution is the introduction of contaminants into the natural
environment that cause adverse change. Pollution can take the form of
chemical substances or energy, such as noise, heat or light. Pollutants,
the components of pollution, can be either foreign substances/energies
or naturally occurring contaminants. Pollution is often classed as point
source or nonpoint source pollution.
Hope this helps :p
Answer:
There are two main types of stem cells: embryonic stem cells and adult stem cells.Stem cells provide new cells for the body as it grows, and replace specialised cells that are damaged or lost. They can divide over and over again to produce new cells.
Answer:
8 chromosomes in each daughter cell
Explanation:
Mitosis creates identical cells. If there are 8 chromosomes in the parent cell, there will be 8 chromosomes in each daughter cell. The way it works is that in late Interphase, the number of chromosomes and DNA double. In this case there would be 16 chromosomes. And when the cell splits into two during cytokinesis, each of the two would get half the chromosomes. Hence, there would be 8 chromosomes in each daughter cell.
Answer:
They are released into a river, lake, or ocean.
Explanation: