Answer:
200 million years
Explanation:
It is considered that Pangea began to break about 180 million years ago. When Pangea started to break is when we have the beginning of the continental formation that we have nowadays and the start of the birth of the Atlantic Ocean between South America and Africa.
Answer: True
Explanation:
This is true because quality control knowledge was limited as of 1907, breakthrough in science was not as it is today. If this same scenario plays today, there would confirmation on the drugs before it's been sold in the market.
Answer: educational or learning group
Explanation: An educational group is the group or unit of people in small number that try to gain the knowledge about new skills and , increasing their knowledge by sharing the sources, opening up to the new sources of information.
These practice is done by the group people for acquiring the increase in their knowledge, know about the upcoming technologies and components,etc
Answer: $1,800
Explanation:
Nominal GDP in 2007 is the market value of the final goods and services produced in the country in that year.
= (30 * 20) + (30 * 40)
= 600 + 1,200
= $1,800
Answer:
Contingency.
Explanation:
Contingency is the event that can be possible in the future but cannot be predicted.
So when the US occurs just as often without the tone as it does in the presence of the tone,then no conditioning will accure the tone.This suggests that the animals are sensitive to contingency.