- Sheet erosion is a type of surface water, and runoff is any water that does not soak into the ground.
Answer:
A.The hole in the ozone layer
Explanation:
• Montreal protocol is an international treaty that was signed to control the use of substances that are resulting in the depletion of the ozone hole.
This treaty was signed in the year 1987 and became effective form 1989.
• Since the time that this treaty has come into force, there has been a significant improvement in the ozone hole that was observed over Antarctic as it's size has decreased.
• This improvement has been possible because the treaty helped to phase out chemicals such as chlorofluorocarbons, carbon tetrachloride, etc. that are responsible for ozone hole depletion.
Answer:
you make a hypothesis from the question by predicting what you think the outcome will be.
Answer:
A
Explanation:
Grass, wood and leather can be brocken down
What he did was say that evolution happened that over time the birds seemed to be changing