Answer:
Global warming and climate change
Answer:
all forms of electromagnetic radiation travel at a single speed in a vacuum.
Explanation:
I think it is D. I hope this helps
True because the atmosphere is in the way
Answer:
Lilly's speed is two times John's speed.
Explanation:
m = Mass
a = Acceleration
t = Time taken
u = Initial velocity
v = Final velocity
The force they apply on each other will be equal




Hence, Lilly's speed is two times John's speed.