Which part of the atom has to stay the same for it to be the same element?

A.) number of neutrons

B.) number of protons

C.) number of electrons

D.) number of protons, neutrons, and electrons

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What is the thing that makes us human age?

A trailer mechanic pushes a 2500 kg car, home to a speed v, performing a job during the 5000 J. In this process, the car moves 25 m.

What name is used for scientists who study the weather in an area over a long time, such as 200 years? Hydrologists weather reporters climatologists balloon specialists

What kind of light can be seen by the human eye

A beam of yellow light is made to pass through two slits that are 3.0 x 10-3 meters apart. On a screen 2.0 meters away from the slits, an interference pattern appears with bands of light separated by 3.9 x 10-4 meters.

How do evaporation and condensation relate to heat

Resistance = 0.1 ohm Current = 60 amps Voltage = ? 0.6 6 60 600

The velocity of a roller coaster as it moves down a hill is where v0 is the initial velocity and h is the vertical drop in feet. An engineer wants a new coaster to have a velocity of 90 feet per second when it reaches the bottom of the hill.

What are sun spots?

Identify characteristics of objective personality tests. -self-report -scientific -paper-and-pencil -questions about behavior -objective -potentially biased answers Multiple Choice-Psychology