Plate tectonic is a scientific theory that says the Earth’s lithosphere is divided into several plates. The plates glide over the mantle. In early 20th century, this theoretical model builds on the concept of continental drift. It was first proposed by the scientist Alfred Wegener in 1912. After seafloor spreading was validated, the theory was accepted by the geoscientific community.
Answer:
B. 1 is the answer as slope = y2-y1/x2-x1
which is given as 8-5/8-5= 1
Answer:
B
Explanation:
for example is the animal eat whatever they produce people wont be able to gather anything and the plants they gather may affect something else
http://faculty.chemeketa.edu/afrank1/topo_maps/scale.htm use this website and i think this should fully explain it
Answer: In Medieval Europe, knights pledged loyalty to vassals, who in turn pledged theirs to powerful lords, and serfs labored in the fields.
Explanation:
A rigid hierarchy refers to one where people who are born into a certain position in life, find it quite hard to move from it or rather one where there are different social classes and people had to be classified in one class for the system to work.
The system during medieval times was much like this. Social classes existed that determined a person's worth in society such as the knights, vassals, Lords and Royals. There was also the serfs who were considered the lowest in the hierarchy.
