Because Astronomers use light-year instead of kilometers to measure distances in the universe because distances in space are so huge that km would be too large to manage.
Answer:
Following are the three main reasons why indoor air pollution has become a greater concern in developed countries;
- Indoor air pollution is the cause for several diseases in children and in adults. For example pulmonary disease, lung diseases, tuberculosis and etc.
- Indoor air pollution is also increasing due to the use of older technologies being used in the households for example smoke from chimneys and old stoves that have worn out.
- There is not enough budget and awareness of indoor air pollution and neither are efficient solutions provided to cater to this pressing issue.
Answer - C. Are Socially ConstructedA comparative analysis of the Tiwi and Abkhasians shows that aging as a Social Construction. In other words, although aging itself is a biological process, what it means to be “young” or “old” is socially constructed.
