Answer:
i think that the answer might be B
What families? U have to show the full question
To give him responsibility and help him secretly
Answer:
cars
Explanation:
cars which were developed by using the mechanism of science and technology is the most visible change which is affecting the environment. Every day thousands of tons of pollution level is increasing which thereby also increase which thereby also increase the temperature of the earth.
Work backwards. You would normally do the number ÷ 10 then x 7. So divide 31450 by 7 and the x that number by 10.
31450÷7=4492.857142
4492.857142 x 10= 44929 (rounded to the nearest whole number)
I checked the answer both ways and it seems correct