Answer:
C
Explanation:
traits are carried on the X and Y chromosomes
Answer:
They are found in all eukaryotic
Explanation:
Animal cell lack chloroplast
The answer is mutagens. In genetics, mutagen is a physical or chemical agent that changes the genetic material usually that of DNA of an organism and thus increases the frequency of mutations above the natural background level. DNA changes caused by mutagens may harm cells and cause certain diseases such as cancer.
Some practices that can be done to stop pollution of fresh water and overuse of freshwater are:-
- Properly dispose of hazardous productsPut up signs.
- Use and dispose of harmful materials properly.
- Volunteer in your community.
- Join in a beach, stream or wetland cleanup.
- Prepare a presentation about your watershed for a school or civic organization.
- Organize a storm drain stenciling project.