The answer is 100mm/s. I hope this helps :)
Answer:
two people who are not going to be able to make it to class today because of the day and then I will be there at the house and then we can go
V = 8 * 10^2 km/h = 800km/h
S= 1,8* 10^3 km = 1800km
t = ?
v = S/t
t = S/v
t = 1800km/ 800km/h
t ≈ 2,25h (135min)
Answer: Either electromagnetic radiation or energy is the answer to your question.
The answer is A. Human Society.
