Answer:
Minerals are classified by key chemical constituents; the two dominant systems are the Dana classification and the Strunz classification. Silicate minerals comprise approximately 90% of the Earth's crust.
Explanation:
Hope this helps! Brainliest please?
I'm pretty sure the answer is C
Answer:
Compete
Explanation:
I am assuming "complete" was a typo and that the word "compete" is what you meant. In this case, compete is an active voice vers, because it is a verb that a subject is performing.
Active voice verbs are the opposite of passive voice verbs. Passive voice verbs are verbs that are done to the subject, as opposed to the subject doing them.
Researchers are someone who searches about someone and learns about someone's daily lives or talents.
