Question

1. Warming Mars could be accomplished by

A. using PFCs

B. positioning mirrors to reflect sunlight onto the planet

C. transferring nitrogen from Venus or Titan

D. all of the above

2. True or False:

The limbic system involves simple memory, including the recollection of favorable and unfavorable circumstances, allowing linkage of experiences as rudimentary “good” or “bad” feelings.

3. Lack of microbes on the sterile Martian surface may

A. weaken our immune system

B. amplify our immune system

C. have no effect on our immune system

4. Sealed biodomes and photosynthetic algae and cyanobacteria hold potential to produce

A. nitrogen

B. methane

C. water

D. oxygen

Answer 1

1) using PFCs

Because pfc is a good greenhouse gas. Little amount of it have much effct on mars. It warm the mars. As nitrogen is low greenhouse gas, it can not able to warm the mars.

2) true.

Limbic system is the complex part of brain. It consist of hypothalamus, hippocampus, amygdala etc. Amygdala also control the fear. So limbic system involves simple memory ,emotion , learning etc. It also control the endocrine system

3) ( c)

Lack of microbes on sterile martian surface has no effect on our immune system.

4) ( d )

All these are able to produce oxygen. Cyanobacteria is a blue green algae which use the co2 from atmosphere and convert into oxygen.