How is a hypothesis similar to theory? A. Both a hypothesis and a theory need evidence to support them.

B. Both a hypothesis and a theory explain why things happen.

C. Both a hypothesis and a theory are accepted as true statements.

D. Both a hypothesis and a theory are statements supported by data.

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.

Acoil formed by wrapping 80 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 28.0° with the direction of the field. when the magnetic field is increased uniformly from 200 µt to 600 µt in 0.400 as, an emf of magnitude 80.0 mv is induced in the coil. what is the total length of the wire?

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.