El Niño occurs every 2 to 12 years. true false

What determines the range of spectral lines produced during electron transition? the higher energy level to which the electron jumps the lower energy level to which the electron returns the total number of energy levels the electron can jump to the

The process of burning fuel is called?

What is the process of conduction in terms of particle movement

Which of the following causes an object to move in a curved path? A. centripetal force B. friction C. the object's mass D. the object's weight

Overall, what is the least useful mineral identification property listed here? A. Streak B. Hardness C. Magnetism D. Specific gravity

Why did the untied states fight a major war in southeast asia

Laura sees a horse pulling a buggy. She wonders how it can accelerate if the action of the horse pulling the cart would cause an equal and opposite reaction of the cart pulling on the horse. Which explanation best answers her question?

On February 15, 2013, Asteroid 2012 DA14 passed within 17,200 miles [mi] of the surface of the Earth at a relative speed of 7.8 kilometers per second [km/s ]. This is considerably closer than the orbit of geosynchronous satellites (26,200 miles).

When you turn on a battery-powered flashlight, you transform A. heat energy into light and chemical energy. B. chemical energy into electrical energy and light. C. heat energy into chemical energy and light. D.

If the velocity of a moving object doubles, what happens to its momentum?