Answer:
answer 2 because the baseball has less mass then the 1st one
Answer:
71 % of the earth's surface is covered in water
The environmental impact of mining affects, nesting habitats for wildlife. Wildlife either moves on, or dies.
hope this helps:)
Answer:
Im gonna say it is answer A:) Hope this helps!
Explanation:
The efficiency of an ideal Carnot heat engine can be written as:

where

is the temperature of the cold region

is the temperature of the hot region
For the engine in our problem, we have

and

, so the efficiency is