Which is a characteristic of all waves?

a
All waves carry energy.
b
All waves move through space.
c
All waves move through matter, from particle to particle.
d
All waves transfer energy parallel to the direction of wave motion.

What’s the scientific notation for the number 6,840,000,000

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of