Answer:
3 is the difference(remainder) of $33-$30
Explanation:
Samuel has $33
A pack of cards cost $5
The most packs Samuel can buy is 6
6*5=$30
$33-30=3
<h2>
Answer:</h2>
Demography is the study of human population.
<h2>
Explanation:</h2>
Demography studies most if not all aspects about human population. It checks births, death, sex, migration, etc. and in turn, when we describe the population, it is normally from pertaining to demographic. Demography is also involved in other disciplines such as sociology, economics, statistics, etc.
Through demographics, the necessary departments get to understand people and their needs better. Countries economic decisions is one example that depends on demographic studies. It also affects other areas such as the planning, labor markets analysis, and etc.
Answer: Mining is an activity which the earth is dig to obtain minerals and oil reservoirs.
Explanation:
The two environmental consequences that are responsible for filling the valleys are soil erosion and downstream mining causing the contamination of the neighboring water source. Soil erosion is resultant of the mining activity causing the trees to be uprooting from their site and making soil prone to the affect of physical factors like wind and water.
The main crop would be corn because it's mostly warm there all year round!
The correct answer is C. There is a large amount of rain or snow in the air.
Explanation
According to the fragment of the question that states that "To use a radar, a weather tower sends out radio waves and then detects the waves that are reflected back to the tower" it is possible to infer that the radar waves that are reflected towards the tower They are the product of the collision of these waves with an object that is in the air such as rain. Therefore, in the case in which a large number of radio waves are reflected towards the tower in a particular area, it can be said that this is due to a large number of objects in the air in this area such as rain or snow. So the correct answer is C. There is a large amount of rain or snow in the air.
