Answer:
Scale
Explanation:
The scale is an instruction in which there is a system of marks that are ordered or in sequence way for the intervals i.e. fixed is used for measurement.
The scale is the ration that determines the units presented a proportional relationship that lies between drawings and the items that are full size
Therefore the scale is the answer
Answer:
Option: a. 200 million years ago
Explanation:
Million years ago, Earth had one supercontinent called Pangaea and surrounded by an ocean (Panthalassa). Alfred Wegener proposed the concept of one big continent after putting together different records of confirmation. He was able to give his theory by examining fossils of plants, trees, animals, and reptiles that found in different continents. About 200 million years ago, the supercontinent began to split up into two parts; Gondwana from Laurasia. Today's countries, including Africa, Antarctica, India, South America, and Australia are part of Gondwana, where Europe and North America from Laurasia.
It is when warm air rises then cools then drops then rises then cools then drops etc