Answer:
The force of gravity can cause erosion by;
- pulling rocks and other particles down the side of a mountain or cliff
- it can cause landslides which significantly erode an area.
To test the effectiveness...
A. This variable should be controlled (the same in both groups).
B. The new chemical is what is being added to the experimental group.
C. This is the control group to which the treated couch should be compared.
D. This is the experimental group to which data should be taken.
Final answer: D
Answer:
I think it would be biosphere
Explanation:
Bio means of life or living things. Birds fly through the atmosphere, water flows through the soil and the dogs drink the water
Hope this helps!