Answer:
D. By adding the vectors

Explanation:
Given
Represent the velocity of the river current as VR

Represent the velocity of the boat as VB

Required
How to calculate the velocity of boat relative to river current
From the question, we understand that both move in the same direction.
So, the relative velocity V is calculated as:



Notice that the both velocities are added together to get the relative velocities.
This is so because they both move in the same direction
<em>From the list of given options, only option D is correct.</em>
Answer: Robert E. Park
Explanation:
The Robert E. park was one of the american urban sociologist and he claimed about the human behavior towards the growing culture in the cities. It basically follow the basic ecology principle that are applied in the wildlife.
Early, he was known as one of the influential figure in the united state. The Robert Ezra park was taught in the Chicago university in 1914. He play an important role in the sociology development.
The term revenue refers to income, <span>especially when of a company or organization and of a substantial nature.</span>
Answer:
Here are several reasons for that:
- Every society's population contains a lot of genetic mixture,
- Various racial categories are genetically very much alike,
- The skin color of Caucasian people ranges from very light to very dark.
Explanation:
The fact that there are a large number of similarities between people form different races and varieties between people from same race indicates that there are very little difference between races. (approximately, people form different races only has around 6% of genetic difference)
From the social perspective, differentiating and the racial difference tend to lead to tribalism that make groups of a certain race believe that the others are inferior compared to them. This will increase the risk of conflicts.
Pass better laws. Create laws and enforce existing laws that protect women from discrimination and violence.
Educate girls. Highlight the value of girls’ education and women’s contributions to economic development.