Question

What kind of waves are present during an earthquake? ...
What kind of energy does an unlit match have? ...
Which of these is another way to write Newton's second law of motion? ...
What is it called when light changes direction after leaving a lens? ...
How do you calculate density?

Answer 1

Answer:

1st answer - seismowaves , i think

Explanation:

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Answer 2

Answer:

1. Primary waves, secondary waves, surface waves.

2. Siesmic waves.

3. Newton's second law states that the acceleration of an object is directly related to the net force and inversely related to its mass. Acceleration of an object depends on two things, force and ma