Quiz · Settling Humans on Mars

Question 1What is the main idea of this listening passage?

Why private rocket companies often fail The history of the first rockets in space The challenges and debate around settling humans on Mars How to grow food in the soil of Mars

Question 2How could a small colony on Mars get its water supply?

By melting ice buried under the Martian soil By collecting rain during the long storms By carrying all their water from Earth By digging deep wells near the equator

Question 3What do supporters of Mars settlement argue, according to the passage?

That Mars missions will quickly earn money That living on two planets would protect humanity from a single catastrophe That Mars is easier to live on than Earth That critics do not understand science