Answer:
Half of the Moon's surface is always illuminated by direct sunlight, except during lunar eclipses when Earth casts its shadow on the Moon. Just how much of that light we can see from Earth varies every day, and we refer to this as a Moon phase.
Orbits: Earth
Explanation:
C)set maximum contaminant levels for pollutants in drinking water
You can use refraction which is the bending of light through a transparent material. Also the freezing and boiling points of water. One last one is the Cartesian five experiment, this shows the density of water. Hope this helped.
Answer:
1. A.
2.D.
3.B.
Explanation:
Notepad:
A. The present is key to the past. The geological processes ocurring today have always ocurred in the past. So if we want to predict what is going to happen in the future, we need to understand the Earth's past.
B. The tests that are used to determine when continental crust was formed are the relative dating and carbon prototyping
C. Open pit mining, this type of mining is very damaging to the environment because strategic minerals are often only available in small concentrations, which increases the amount of ore needed to be mined.