Answer: 
Explanation:
Multiply by t on both sides.
Now divide by I to isolate t.
Answer:
I think the second space is chemical bonds
Answer:
C - commas indicate a natural pause in the sentence
Sedimentary rocks. Not sure though
A flood, if it hits the environment of the natural rubbers, would destroy how the rubber is being produced. to have a large amount of limitation, the flood would destroy a large percentage of rubber trees. This natural rubber is needed to make synthetic polymers. Without the rubber (because of damages to it's ecosystem through the flood), there would be a limited supply, and a substancial drop on synthetic polymers.
hope this helps
