The most widely accepted theory of planetary formation, known as the nebular hypothesis, maintains that 4.6 billion years ago, the Solar System formed from the gravitational collapse of a giant molecular cloud which was light years across.
Answer:
United States and Canada
Explanation:
Canada borders Alaska to the East and the U.S. is Northwest.
Our environment can change our behavior in many aspects. Suppose you want to play golf with your friends, as you predicted it is going to be a sunny day but suddenly the environment changes and it converts into a rainy day then you have to change your plan.
Humans and Environment are interconnected as they both constitute the whole Biodiversity (biggest ecosystem), and Geography explains their relationship
Hope this helps!
Answer:
C. Europe wanted Africa's valuable resources
Explanation:
During this time, many European countries expanded their empires by aggressively establishing colonies in Africa so that they could exploit and export Africa's resources. Raw materials like rubber, timber, diamonds, and gold were found in Africa. Europeans also wanted to protect trade routes.
Answer:
I am not entirely sure about this one. But I believe that the "Emancipation Manifesto" signed by Czar Alexander II gave serfs land, or at least gave them the freedom to do what they wanted, like buying that said land.
No freedom of religion, or elections was yet to be had in Russia.
Explanation: