I think it's black asphalt, brown soil, beige sand, white paper. I'm sorry if I'm wrong.
Too many to know in the world.
Probably CH(subscript)4... :) It's Methane
What is reflux? isn't it like when u aren't able to digest something?
Answer:
the acceleration is 3 k/h/s
Explanation:
The formula for acceleration is Δv/t, so change in velocity divided by time.
The original velocity is 15 kph, and the final velocity is 30 kph. Therefore, the change in velocity is 15 kph. 15/5=3 k/h/s