one could be the amount of pay they earn,the area in which they live/work
Heads Up: I don't remember reading this article, but I'll do the best I can to help
Answer:
I'd say the answer is
Part 1. (D) Young people join the current environmentalist efforts
Part 2. (B) "Students across the planet who were concerned about climate change began making their voiced heard"
Answer:
D-He invented and sold a mechanical excavator.
Explanation
What is the book or paragraph i need more information to answer this
They are found worldwide in tropical and warm coastal waters, lagoons, and coral reefs.
