Figure 1 shows a wave movement during one second. what is the frequency of the wave
a)2 hertz
b)2 meters/second
c)0.5 second
d)1 hertz

What is magnetic flux? explain faraday's law of induction.

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water