I believe the answer is fossil fuels I hope this helps you out! :)
#3: How Long is a Lunar Month? A lunar month takes about 29 - 30 Days.
#5: How Many Phases Does the Moon Have?? The moon has 4 lunar phases that last approximately a week (7 Days).
Answer:
its a natural process, when you pull sand to the water - at the beging everything is a mess, but in time sand creates a layer at the bottom and water is staying clear
Explanation: