Question

question 18 ( points) among other things, space exploration seeks to determine if other planets have
a water
b icy water
c methane
d oxygen

question 19 (4 points) engineering practices fit within three spheres of activity - investigate, evaluate, and
a articulate
b measure
c develop solutions
d collect data

question 20 (4 points) the ______ line represents the boundary between earth and outer space.
a karman
b troposphere
c stratosphere

Explanation:

• Question 18: Water is a key indicator for the possibility of life and is an important substance to look for when exploring other planets.
• Question 19: Engineering involves investigating, educating, and developing solutions to various problems.
• Question 20: The Kármán line is widely - recognized as the boundary between Earth's atmosphere and outer space.

Answer:

• Question 18: a. water
• Question 19: c. develop solutions
• Question 20: a. Kármán