C, Because that was a time where they came together to talk about progress and how to unite.
Answer: E. 154
Explanation: the expected value of the number in the sample who get to work driving alone.
We have environmental problems, because the wastes that we produce is more than the earth can handle at once. For example, we produce large amounts of plastic, in which the earth takes thousands of years to consume a plastic bottle, and it is hazardous to burn it away. Our environmental problems are caused by us, and we ourselves need to fix it.
hope this helps
