Answer:
C. 70% (water covers ⅔ of Earth's surface)
Its either A or B but I'm pretty sure its A<span />
A student buries an ice cube in a pan of dirt and observes the dirt as the ice cube melts. This activity is a model of the formation of a kettle.
Answer:
B) more loosely bound together
Explanation:
The molecules seperate and start moving around more.
(You put this in the geography section btw lol)
Maybe there's an app for that? Some kind of time lapse app? Or maybe set up a magnifying glass or a crystal ball on a stand and a piece of paper under it. As the sun passes, it will might burn a line on the page. As to how you would read this line, you would need some kind of measurement system - maybe do a baseline the day before and use you watch to record start and finish times.