Answer:
B
Explanation:
It is because burning fossil fuels release sulfur dioxide which causes acid rain.
I would say Carbon, Hydrogen and Oxygen.
20,000km. In the round-trip travel time of light between Earth and Pluto (at a distance of 40 A.U.), how far would a spacecraft orbiting Pluto at a speed of 0.5 km/s travel in that time?
A ) 20,000 km
