Answer these to get 75 points

2. waves

3. True

4. the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

5. Frequency is the number of occurrences of a repeating event per unit of time.

6. slow, fast

7. left to right

8. The maximum displacement or distance moved by a point on a vibrating body

9. No

10. radio waves, and microwave.

11. tv uses electromagentic waves while light uses electromagenti radition.

Explanation:

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds