The frequency of a wave tells us how many crests move past a given point in a given time. the the wavelength, the greater the frequency will be.

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

What is the most useful equation for electric power?

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?