Question

answer in one sentence
1. on what basis is the east determined
3. what has to be done to set a new colonies
4. which important organs are situated in the ribcage in the thoracic cavity​ ​

Answer 1

Q1.)  On what basis is the east determined ?

Ans.) East is in the clockwise direction of rotation from north. West is directly opposite east.

Q2.)  What has to be done to set a new colonies?

Ans.) Building colonies in space would require access to water, food, space, people, construction materials, energy, transportation, communications, life support, simulated gravity, radiation protection and capital investment.

Q3.) Which important organs are situated in the ribcage in the thoracic cavity​ ​?

Ans.) The heart and the lungs reside in the thoracic cavity, as well as many blood vessels.