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1.
how is a rock different from a mineral?
a. it is not different, they are the same things and the words "rock" and "mineral" can be used interchangeably
b. a rock is made up of minerals
c. minerals are made up of rock pieces
d. minerals are man-made and rocks occur naturally

2.
what are the three main types of rocks? select all that apply
a. metamorphic
b. chemical
c. sedimentary
d. igneous
e. magmatic
f. biogenous

1.B 2.A,C,D

Explanation:

A mineral is a naturally occurring, inorganic compound with a unique chemical structure and physical properties. A rock is a solid, stony mass composed of a combination of minerals or other organic compounds. For example, quartz and feldspars are minerals, but when formed together, they make a rock, granite.

answer; seasons change because earth tilts on its axis; and the angle of the tilt causes the northern and southern hemisphere to trade places throughout the year;