Answer:
It has varying degrees of thickness.
Explanation:
The oceanic crust of earth is different from the continental part of the earth's crust. It is much thinner which is about 5 km to 80 km in thickness. It is described as having much similarities with the mantle of the earth which is also very varying in thickness.
Explanation:
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As the planet gets warmer, sea level rises for two reasons. First, warmer temperatures cause ice on land like glaciers and ice sheets to melt, and the melt water flows into the ocean to increase sea level. Second, warm water expands and takes up more space than colder water, increasing the volume of water in the sea.
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Answer:
An atom is a particle of matter that uniquely defines a chemical element . An atom consists of cental nucleus that is usually surrounded by one or more electrons. Each electrons is negatively charged.
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The most common type of fluoride found in toothpaste is part of the compound sodium fluoride which has the chemical formula NaF
Answer:
1, 2 & 3
Explanation:
. A chemist investigates the boiling point, melting point, and flammability
of a compound called acetone, a component of nail polish remover.
Which of these properties are physical properties and which are
chemical properties?
Physical ( boiling point and melting point ).
Chemical ( flammability )