A large loop of gas that connects sunspots on the photosphere and can extend beyond the corona is called a?

A self-sustaining reaction that creates an on-going series of reactions

The unit of potential is the?

What is the weight of an object on earth that has a mass of 45 kg

Maggie participated in a race. She ran 100 meters west and then turned back and ran to the starting line to complete the race. Maggie covered this entire distance in 40 seconds. What are her average speed and average velocity?

How do we use the electromagnetic spectrum to determine how far things are in the universe and how they move?

What force keeps our atmosphere from floating out into space? heat water gravity outgassing

a subsrance has an atomic number of 80. How many protons and electrons do atoms of the substance have? what is the subsance?

Ideal meters problem. What internal resistance is ideal for a voltmeter? What internal resistance is ideal for an ammeter?

numerical question : what is the required heat to raise the temperature of 2 kg parrafin by 10 Celsius if 44000 joules is required to raise it by 200 celsius

Psychologists avoid studying emotions because they have little impact on behavior T F