Answer:
1. The energy intensity from the ruler going through the air
2. This one is pretty simple, you can add or take away things. This question is just asking you to list sounds from high pitch, to lowest pitch. Here are mine:
Timer
Microwave
Mouse clicking
Dog Barking
Voice
Typing
Knocking on door
Breathing
Foot Steps
Explanation:
2.998e^8 is how I would write it. If you want it with the least amount of decimals, use 3e^8
Explanation:
a) Both A and R are true and R is the correct
explanation of A.
