Select the choice that best completes the following sentence: A is made up of one or more .

A Rock is made up of one or more minerals

Explanation:

Rocks are natural substances often made up of one or combination of various other minerals held together in a closed crystalline matrix. These minerals provide the rock with its characteristic feature.

E.g.- Earth is also made up of several types of rocks such as Granite, Gabbro, etc.  Basalt is another commonly found rock in the Earth’s oceanic crust. It is formed due to the solidification of the molten magma coming from the partially molten Aesthenosphere. It is formed mainly of two other minerals viz. Plagioclase and Pyroxene

Thus, Basalt-             Plagioclase + Pyroxene

         (rock type)-      (mineral)     + (mineral)

i think they are all correct

explanation:

they seem good

this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.