Answer:
hydroshpere and biosphere
Explanation:
it contains
hydrosphere: cleaning of water
biosphere: helps plants and animals
Answer: Polystyrene - Polybutadiene or also known as: Styrene-Butadiene
D) the cell divides in to daughter cells. Mutations occur either when they multiply or when they are interrupted by something....Hope it helps ;)
They would test two subject/mice which is S-Strain and R-Strain to see the differences and scientific behavior. In the end one died which is S-Strain and the other lived which he later affirm the transforming principle by testing with the chemical itself. In turn out comes the Answer
Answer:
d. it calms you down when you are in danger.
Explanation: