Sounds are made when objects _ in air. What one word completes the sentence? If anybody could help me it would be nice :) <333

How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9

Which describes increasing the efficiency of energy resource

What are some important factors to consider when choosing a warm-up before your workout?