Answer:

Explanation:
Given


Required
Determine the acceleration
This will be calculated using force formula:

Substitute values for Force and Mass

Divide both sides by 62kg


<em>Hence, the wave boarder accelerates at </em>
<em></em>
Answer:
<h2>
C.The social construction of race </h2>
Explanation:
Race is a social construct, it is not biological. There are no genes common to all whites and blacks so race cannot be genetically verified and it were true then the classification of people based on race would have been constant across boundaries, but it is not so because a person who is categorised as black in US might be considered white in Latin american countries.
The Greeks, Poles, Italian and Hungarian migrants were not considered to be whites in 1800s and 1900s, they tried to overcome it by showing through behaviour that they were worthy of being called white. The people form Netherlands,Ireland,Scandinavian countries and Germany were considered to be white.
The Americans were afraid that the foreigners would bring peculiar religious practices and substandard ways of living and religious practises to this country , that would bring down this civilisation.
The correct answer is <em>"</em><em>The Tigris and Euphrates Rivers</em><em> produced silt that fertilized the soil."</em>
Mesopotamia's soil was fertile and had good conditions for farming and agriculture cultivation, however, due to dry climate conditions it didn't have enough rainfalls which put under danger farming in this region. difficult. ... Irrigation by The Tigris and Euphrates Rivers helped Mesopotamian civilization to water the farmlands with the river's waters.