C. Members of the same species work together for survival
Answer:
Option C is the correct answer.
Explanation:
Absolute pressure is sum of gauge pressure and atmospheric pressure.
That is
We have
Substituting
Option C is the correct answer.
Energy is the capacity of doing work
The conversion from gallons to liters is 1 = 3.785.
Keeping this in mind...
42 x 3.785 = 158.97 liters.
If rounding, there are about 159 liters of oil in a barrel.
The correct answer should be bounced off since the light ray hit the surface and reflected towards a new location. It therefore bounced off.