Mars Can Wait Oceans Can't Review

What is the MAIN ARGUMENT in "Mars Can Wait. Oceans Can't." ?

• Funding should be used to make manned space and ocean expeditions safer.

• NASA should plan and fund missions to explore the ocean floor as well as space.

• Space flights should use robots to save money, and we should also be focusing on exploring our oceans to benefit humanity and the planet.

In “Mars Can Wait. Oceans Can’t,” what details does the author use to support his claim that NASA should use robots rather than manned missions for space exploration?

Choose two options.

• Robots are inexpensive to design and build.

• Robots do not have to be returned to Earth.

• Robots are more easily shielded from radiation.

• Robots can travel more quickly than manned spacecraft can.

What does the author of “Mars Can Wait. Oceans Can’t” most likely think is the most important purpose for scientific study and exploration?

• protecting national security

• inspiring pride in our country

• helping people and the planet

• making money through inventions

Which detail from the selection most clearly supports that the author wants to help people and the planet?

• Not enough attention has been paid to ocean exploration in the past.

• Experts say that there is no reason or purpose for sending people into space

• Ocean research could cool the climate, heal illnesses, and provide drinking water.

• Finding life on other planets would mean finding organic material, not a civilization.

Mars Can Wait, Oceans Can't main topic is about:

• Exploring the deserts in Nevada.

• Exploring space rather than the oceans.

• Exploring the oceans rather than space.

• Explore the tropical rain forests.

What is the reason for a lot of the cost of going to space?

• equipment

• people

• food

• oxygen

What is a reason robots cost less to send to space than humans?

• they don't eat

• they don't breathe

• they don't need to come back to Earth

• all of the above

How much of the ocean floor has not been charted?

• 10%

• 30%

• 70%

• 90%

What does "desalinate" mean?

• take out salt

• put in salt

• take out water

• put in water

According to “Mars Can Wait. Oceans Can’t,” how can ocean organisms benefit humans?

• Ocean organisms may be able to cure many diseases.

• Ocean organisms may be able to fuel cars and trucks.

• Ocean organisms may be used to invent new products.

• Ocean organisms may be used to cool down the climate.