Answer:
B. taking a shorter shower
Explanation:
Using the same bag would be reusing
Taking a shorter shower reduces the amount of water you use.
Turning old cans into new ones is recycling.
Throwing your trash in the garbage is wasteful.
The liver stores glucose as glycogen and converts excess glucose to glucagon.
hope it helps you
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.