How do electromagnets differ from regular magnets?

a) they can be turned on or off

b) Their polarity can be reversed

c) Their strength can be changed

d) All of the above

How deforestation has impacted the quality of life of the people living in Brazil?

A soap box derby car at the top of a ramp has more energy and at the finish line at the bottom of the ramp it has more energy.

Why are places close to the equator hot?

Question 9 Which statement is true: The atomic mass of an atom is equal to the number of neutrons in the nucleus The atomic number of an atom is equal to the number of neutrons in its nucleus The atomic weight of an atom is the sum of neutrons plus

Where did industrial capitalism first emerge

Iron atoms combine with oxygen atoms to form rust. Is this a physical property of iron or a chemical property?

Kerri drive 310 miles in 5 hours at a constant speed. A) at what constant speed was Kerri driving? B) How long would it take her to drive 403 miles at the same speed?

Which tectonic plate pushes against the Eurasian plate to form the alps and other geographical features

Which of the following areas would most likely have the greatest amount of surface runoff? low, flat plain sandy beach steep mountainside V-shaped valley

Which of the following is a reason why Hartsfield-Jackson International Airport provides so many jobs to Georgians? A) It is required to hire many people because it receives tax money for its operations.