subject
Physics, 04.07.2019 07:00 queenkimm26

Which statements about earth’s core explain earth’s magnetic field? check all that apply. answers: the inner core is solid. the outer core is liquid and moving. earth’s core is composed of iron and nickel.

ansver
Answers: 1

Another question on Physics

question
Physics, 21.06.2019 20:00
Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels aren't widely available, but pure hydrogen is. fossil fuels are nonrenewable.
Answers: 1
question
Physics, 21.06.2019 22:30
The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage
Answers: 2
question
Physics, 22.06.2019 10:30
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
Answers: 2
question
Physics, 22.06.2019 15:00
What property of an object determines its inertia?
Answers: 2
You know the right answer?
Which statements about earth’s core explain earth’s magnetic field? check all that apply. answers:...
Questions
question
Mathematics, 19.02.2021 01:50