Answer:
B
Explanation:
The Quaternary sector is the part of the economy that is also sometimes described as the knowledge economy because it includes education activity.
Quaternary sector activity is measures, for example, by the presence and influence of higher education centers, foreign exchange students, research and investigation labs, think tanks, and innovation and entrepreneurship present in an economy.
Advanced technology is also an important aspect of the Quaternary sector that has only grown more important with time.
ANSWER: Constructive interference
Explanation: The amplitudes of in phase points on overlapping waves add up to make a result of a larger amplitude.
ANSWER 2: Destructive interference
Explanation: The amplitudes of out of phase points on overlapping waves subtract to make a resultant with a smaller amplitude
ANSWER 3: Wave interference
Explanation: Two waves overlap.
Answer:
America is located in the Noerthern and Western Hemispheres
Explanation:
Ok so there are two lines that cut the earth in half, one that goes horizontally called the equator, and one that goes vertically called the prime meridian. the equator divides the world into the northern hemisphere on the top half, and the southern hemisphere on the bottom half. the prime meridian divides the world into the western hemisphere on one side, and the eastern hemisphere on the other. so those two lines kind of make a grid, if you know what i mean. if you look, north america is located on the noethern and western hemisphere, because it is north of the equator, and west of the prime meridian. thank me