The most basic difference is that sea ice forms from salty ocean water, whereas icebergs, glaciers, and lake ice form from fresh water or snow. Sea ice grows, forms, and melts strictly in the ocean. Glaciers are considered land ice, and icebergs are chunks of ice that break off of glaciers and fall into the ocean.
Answer: The Earth
This was believed to be true for hundreds of years....
Density. Density is the measurement of how much matter is in a substance
1/4 - 25%
3/4 - 75%
4/4- 100%
2/4 - 50%
Explanation:
4 can be used like money 1/4 is 1 quarter out of a dollar which is 25 cents and so on.
The could tell by solar radiation and dark matter, they didnt know were dark matter was but they new it was there
