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QUESTION 5


Did the universe cool off or get hotter as it expanded after the 'big bang"?



The universe is the same temperature it has always been



The universe gets hotter as it expands, and cooler when it contracts.



The universe got hotter and is still getting hotter.



The universe cooled off after the 'big bang"




QUESTION 6

Cosmology is the study of the universe.

True


False




QUESTION 7

What is happening to the universe today?

The universe is the same as it was billions of years ago.


The universe is expanding.


The universe is contracting.



QUESTION 8


Remote sensing of the Earth's surface and atmosphere may involve the use of what type of instruments?



satellites



underwater probes



calorimeter



siesmographs




QUESTION 9


Droughts can influence which of the following?


both the resources and population



the resources available to a population



the population directly



neither the resources nor the population




QUESTION 10


Remote sensing allows us to do which of the following?



determine what the weather is like in remote locations such as in the middle of the ocean



locate and examine some natural disasters



study drought conditions in different parts of the world without the need to travel to remote locations



All of the above.




QUESTION 11


What is the most abundant salt in seawater?





quartz sulfate



sodium chloride



soap



sugar




QUESTION 12


Why is the ocean dark below ~200 meters?



All the light has been absorbed by the water above.



The water is too salty for the light to travel farther.



wet water absorbs more light than dry water



The light reaches to all depths of the ocean.




QUESTION 13


What effect does the Earth’s moon have on the oceans?



The Moon is responsible for the tides.



When the Moon is full, cheese from the Moon may fall into the ocean.



The Moon causes extreme temperature fluctuations every 30-32 years



The Moon is too far away from the Earth to have an impact.