Which event occurs during high tide? a) All of Earth’s ocean levels rise.
b) The moon’s orbit is closer to Earth.
c) The gravity of the Sun and moon cause the Earth’s crust and water to bulge.
d) Earth’s crust and water are being pulled in opposite directions by the Sun and moon.

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?

Can you match these to the correct definition