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.
Craters are formed by the outward explosion of rocks and other materials from a volcano. Calderas are formed by the inward collapse of a volcano. Craters are usually more circular than calderas. (Calderas may have parts of their sides missing because land collapses unevenly.)
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Answer:
Leaves are the most important
Explanation:
Leaves are directly exposed to sunlight and contains chlorophyll which is the chemical that makes them green and is key in photosynthesis.
Answer: globalization
Explanation:
The increasing economic, cultural, political, and social connections between people around the world is called <u>globalization</u>.
Answer:
The asterism is the star picture of Orion the Hunter. The constellation Orion is a region of sky that includes all the stars within its borders.
Explanation:
Asterisms are the images that can be drawn and seen in the earth´s sky and that people usually relates to a certain image, in this cae with Orion is the Orion´s belt that creates the whole star picture of Orion the hunter, The constellation of Orion is a officially recognize area of sky that includes all the stars whithin its borders, that is the difference.
