Answer:
Density is a measure of mass per unit of volume. Density is a measure of mass per volume. The average density of an object equals its total mass divided by its total volume.
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Answer:
D. water currents melting the glaciers in Antarctica
Explanation:
The hydrosphere contains all the water on earth ranging from underground water, water in the air and water running on the surface of the earth. This water exist as liquid or ice. In liquid form, it includes water in the sea, ocean, river, underground water (wells, aquifers) and water vapor. In ice form, it includes: glaciers, ice caps and icebergs. The frozen part of the hydrosphere is known as the cryosphere.
There are interactions between the hydrosphere and cryosphere such as water currents melting the glaciers in Antarctica, melting of snows and ice.
The fossil could get damaged and broken into smaller pieces. That is a way it could make it difficult to determine the fossils age.
Being imaginative in doing science is using your knowledge and creativity to make innovative ideas, while psuedoscience is using sources that are not true and do not use actual science. Example being ads that say "Wow you will not believe what how this oil cured cancer!".
I think it's just water right..?