Answer:
Five Characteristics of a Mineral
Minerals Are Natural. You must find minerals in nature; substances concocted in laboratories don't qualify. ...
Minerals Are Inorganic. ...
Minerals Are Solids. ...
Definite Chemical Composition. ...
Crystalline Structure.
These are just some examples.
Explanation:
It is a gas. Gases can easily change volume and always fill the whole container.
I believe the answer is pressure. hope this helps
Answer:
Part a)

Part b)

Explanation:
Part a)
As we know that the period of revolution of the planet is given by

now we know that

T = 6.3 days

now we have


Part b)
As we know that mass of sun is given as

now we have


Answer:
Since then only three elements on the periodic table have been found to be ferromagnetic at room temperature - iron (Fe), cobalt (Co), and nickel (Ni). The rare earth element gadolinium (Gd) nearly misses by only 8 degrees Celsius.
Explanation: