Answer:
D. Concentrated in the South
Explanation:
North Canada is very cold, so very few people live there, this eliminates choice A and C.
I saw a map once that showed that around 72% of Canadians live under the 49th parallel, which is the South part of Canada.
(If you want to check out the map it is on brilliantmaps.com)
Answer:
The United States of America
Explanation:
The United States of America declared independence from Great Britain on July 4, 1776, thus becoming the first independent, foreign-recognized nation in the Americas and the first colonial entity to break from its mother country.
Seismometers are tools which measure motion in the ground including seismic waves generated by earthquakes, volcanoes, and other activities which might create seismic waves. Seismometers measure any movement of seismic activity in the earth and today this is done by electronic means whereby the machine measures any changes in seismic activity in the surrounding areas of the seismometer. The first seismometer is believed to have been invented by Zhang Heng of China's Han Dynasty in 132 AD.
