What is a planned goal of the exploration mission 2?
a. to explore the rings of saturn
b. to land a man on the moon
c. to explore the composition of mars
d. to explore the conditions of jupiter's moon

C. to explore the composition of Mars

Explanation:

Initially, in 2019, an unmanned mission is planned to orbit the moon. The spacecraft would flyby the moon.  In 2020's, the Exploration Mission 2 would be a manned mission on the same path around the moon. This would be the base for future goal of collecting samples from mars. In later of 2020's unmanned spacecraft would be sent to mars and a robot would collect the samples from the Martian surface. In 2030's, a crew would be sent to Mars.

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.

it takes on an electronical energy