Scientists collect current data about the Earth’s surface temperatures in all the following ways except:
c. air bubbles that form in winter ice
Explanation:
Out of the given options this one is the most outlandish as there will be too many variables in play in here if the people are to try to compute the data for meteorological department regarding the temperatures.
These air bubbles do not give an accurate temperature for the surface they are on encase they are insulated and they are also difficult or impossible to control.
much better ways are there to use on the snow instead of this which includes land based stations.
Answer:
An example that addresses the opportunity cost without involving money, could be: You used your day off cleaning the house, when you could have gone to see your childhood friends.
Explanation:
Opportunity cost is usually established by spending money. This is because money is a scarce resource, which if used in one situation cannot be used in others. To create examples of opportunity cost without using money, we must use another scarce resource, such as time, for example. In this case, a good example would be the time spent cleaning the house, which could have been used to find old friends.
Answer:
50000 can be shown as 1/50000 as well. Here such a scale means that one unit of measurment on the map is equal to 50000 of the same unit on the ground. Such a unit can be anything such as centimetre, meter, feet, inches, your finger length, half a lenght of a pencil, etc.
Ans: Option (C) South Africa
Apartheid was the <span>political and social system which</span> institutionalized racial discrimination and segregation in South Africa between 1948 to 1994. It ended in 1994, and in 1997, the new constitution was adopted in South Africa.
Hence South Africa is the correct answer here.
Answer:
7.C
8.B
These are the answers to the above questions
