Which factor is most important in determining which minerals will form in a rock?
a) the size of the rock.
b) the weight of the rock.
c) the hardness of the rock.
d) the composition of the rock..

Giving an address, such as “1000 elysian park avenue, los angeles, ca,” is an example of describing the of a place.

Air masses are characterized by various properties including temperature humidity air temperature pressure and wind speed . which of the following air masses is associated with low relative humidity and high temperature

The graph below plots the temperature and luminosity of stars on the main sequence.