Answer:
B) X rays do not penetrate Earth's atmosphere
Explanation:
The Chandra X-Ray observatory should operate in space due to the nature of the radiation it is using. X-rays are high energy electromagnetic radiations. The observatory will not be able to function properly since it uses x-ray because, the rays cannot penetrate the earth's atmosphere. A radiation of this type would easily be cut off by the particles in the atmosphere. The observatory has to be positioned outside of the earth.
Answer:
I think you forgot to mention the examples along with the question. I am answering the question based on my research and knowledge. The barrier to economic development that is shown in the examples is very low levels of social welfare. I hope the answer comes to your help.
Explanation:
Answer:
I think it can be A (10%)
there was many problems for food in 2016 buy now I think it is 10%