How does the author develop the primary claim of the article in paragraph 5? He allows for an important exception to the general applicability of the argument. ... He suggests that future research will reveal how critical the argument is for humanity’s survival .
Should we terraform Mars claim?
If Mars is home to any indigenous life, then terraforming should be a non- issue . ... Even if no life otherwise exists there, that pristine3 and unique alien environment, so far barely scratched by humans, needs to be preserved as is as much as possible. We’ve already done too much damage here on our own planet.
Why should humans not terraform Mars?
On Mars, the pressure of the atmosphere is less than one percent of the pressure of Earth’s atmosphere. Any liquid water on the surface would very quickly evaporate or freeze. ... As a result, terraforming Mars is not possible using present-day technology ,” said Jakosky.
What is the main thing that needs to be done to terraform Mars?
The planet’s lack of a protective magnetic field means the solar wind will continue stripping its atmosphere and water, reverting our changes to Mars or constantly degrading them. To truly terraform Mars, we would need to fix its magnetic field—or lack thereof .
Can we breathe on Mars?
The atmosphere on Mars is mostly made of carbon dioxide . It is also 100 times thinner than Earth’s atmosphere, so even if it did have a similar composition to the air here, humans would be unable to breathe it to survive.
Can we plant trees on Mars?
Growing a tree on Mars will surely fail with time . The Martian soil lacks nutrients for soil growth and the weather is too cold to grow a tree. ... The conditions of Mars do not affect Bamboos because the Martian soil serves as a support for them, and it doesn’t need enough nutrients for it to grow.
Does Mars have oxygen?
Mars’ atmosphere is dominated by carbon dioxide (CO2) at a concentration of 96%. Oxygen is only 0.13% , compared with 21% in Earth’s atmosphere. ... The waste product is carbon monoxide, which is vented to the Martian atmosphere.
Did Mars used to be like Earth?
It is thought that Mars had a more Earth-like environment early in its geological history , with a thicker atmosphere and abundant water that was lost over the course of hundreds of millions of years through atmospheric escape.
Can you breathe on Mars without a spacesuit?
Mars does have an atmosphere, but it is about 100 times thinner than Earth’s atmosphere and it has very little oxygen. The atmosphere on Mars is made up of mainly carbon dioxide. An astronaut on Mars would not be able to breathe the Martian air and would need a spacesuit with oxygen to work outdoors.
What planet can we breathe on?
Because the atmosphere of Venus is mostly carbon dioxide, oxygen and nitrogen — ordinary breathable air — would float. The air that’s holding you up is also the air that you can breathe.
Can we breathe on Titan?
It is cold on Titan (surface temperature of about -290 degrees F). And people would need to wear respirators to breathe oxygen, since the atmosphere is mostly nitrogen. ... Because it’s so cold on Titan, all the water is frozen — the lakes and seas are composed of liquid methane and ethane.
Could you stand on Mars without a suit?
The atmospheric pressure on Mars varies with elevation and seasons, but there is not enough pressure to sustain life without a pressure suit .
Does Mars have gold?
Magnesium, Aluminium, Titanium, Iron, and Chromium are relatively common in them. In addition, lithium, cobalt, nickel, copper, zinc, niobium, molybdenum, lanthanum, europium, tungsten, and gold have been found in trace amounts .
Can we live in Mars?
However, the surface is not hospitable to humans or most known life forms due to the radiation, greatly reduced air pressure, and an atmosphere with only 0.16% oxygen. ... Human survival on Mars would require living in artificial Mars habitats with complex life-support systems.
Can we grow food on Mars?
The good news is that Watney, who is a botanist, has some potatoes in the Hab that he can use to produce more food as he waits for NASA to rescue him. The bad news is that Mars is a desert planet, where no plants have ever grown before. ... But research suggests that some soils on Mars could be used to grow plants .
Does any planet have oxygen?
The oxygen naturally exists and is not produced by any sort of life on the gaseous hot world, astronomers caution. ... The oxygen and carbon are bleeding off the gas-giant extrasolar planet HD 209458b, orbiting a star lying 150 light-years from Earth.
