Can you explain a little more
Answer:
Rift Valley
Explanation:
I did a quizlet on it LOL
The first word is Sink and the second is denser
I believe it would be Omo Kibish, southern Ethiopia.
Answer:
Planting more trees can reduce carbon dioxide in the atomsphere and making new forests as well.
Explanation:
The trees will absorb the carbon dioxide for photosynthesis
(Sorry if this wasn't what the question meant)