Which prefix represents hundredths in metric system? a. hecto b. centi c. milli d. kilo

In a scientific investigation, what is the name for a prediction that can be tested? a. conclusion b. evidence c. hypothesis d. verification

The first supersonic flight was 1947. it was just above the speed of sound. which altitude would you expect captain yeager to have used for his flight? a) sea level b) 1000m c) 13,700m (within altitude used by commercial planes today) d) 85,000m (where meteor showers originate) will mark brainlist

Why are trees green on top sometimes and brown down low sometimes. complete sentences peoples!