Only 2 questions 15 points

1. what might be a long-term benefit for the nation from space exploration?
a. taxes will be lower.
b. more people will be interested in studying science.
c. more science fiction movies will be made.
d. more people will become famous.

2. which of the following statements is true of space exploration?
a. space exploration is too expensive to be of any good to society.
b. space exploration has given society many technological advances.
c. space exploration is not based on science.
d. space exploration is too limited to benefit society.

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.

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