Answer:
this explains nothing are u telling me to send u screenshots
Explanation:
Answer: A at he bottom of the first hill your kinetic energy of a roller coaster is at its highest.
Explanation: as the roller coaster goes down it has more energy to go because it the first hill, and as it keeps going it losses kinetic enrgy thats why it slows down.
I’m not sure what you mean, but are you talking about Complementary coloración
Pretty sure it’s secondary colours my guy