Answer:
Minerals can be formed in different types of ways.
Some minerals go through a process of crystallization from magma in a temperature alter to be formed.
Other minerals go through crystallization by a melt or soften.
Explanation:
Hope this helps I recommend Option 1 its hand written so I didn't just copy and paste from a site! Just in case your teacher tells you your plagiarizing:)
A - Although he denies them, Dr. Vasequez faced several scandals last year.
A complex sentences must have both a dependent clasuse (although he denies them) and an independent clause (Dr. Vasquez faced several scandals last year.
Options B and D are compound sentences (two independent clauses) and option C is a simple sentence.