Answer:
Stem cells are divided into 2 main forms. They are embryonic stem cells and adult stem cells. Embryonic stem cells.
I have not learned that yet i wish i could help so sorry though good luck
The answer is (D)
Composting helps in manufacturing of manure which is very very healthy for the plants.
Reusing , reusing plastic bags can be helpful for the environment
Recycling , can be used to convert plastic into other useful substance , which is an advantage for the environment.
Incinerating is the process of burning waste materials , due to this , there is a smoke emission which is very harmful for the environment.
