Answer:
To verify their results
Explanation:
if they didn't then people wouldn't believe them and they would have no reason to
Answer:
B
Explanation: stay safe :)
You can Chanel it around a town so there is no flooding
If some place needs water then you can divert the water to the specific place
Also stopping it and creating a dam can offer the positive results of inexpensive energy, increased recreation opportunity and flood control
Answer: D. Boats, Because, your not able to smell the carbon monoxide on boats, you can't smell it on planes, and you CAN smell it on trains so that rules 'C.' out. Your able to smell it on land vehicles, don't believe me? Stick your nose in the back of a car that's running. Your able to smell it in factories, because in China, individuals have to wear gas masks to go outside or walk to work.
