Because it is a habitable planet that is capable of supporting living creatures
Answer:true
Explanation: Seventy-five percent of Canada's population resides in a narrow 150-kilometre band pushing up against the U.S., with close ties south of the line.
Answer:
extrusive rocks.
Explanation:
When an igneous rock contains large crystals of minerals surrounded by the fine grained or glassy material (set in a matrix of glassy part).The texture is known as Porphyritic texture and the large crystals are known as Phenocrystals and the fine grained or glassy part is called as Ground mass.
When this Porphyritic texture showing igneous rocks are known as Porphyrites. The texture is largely found in volcanic and hypabassal rocks so these rocks are the extrusive rocks.
The force that attracts any two pieces of matter in the universe is called the gravitational force.
<h3>What is gravitational force?</h3>
Corresponds to the mutual interaction between two bodies in space, being attractive and not repulsive, allowing the translational movement of the earth and the movement of planets in orbit around the sun.
Therefore, the gravitational force was proposed by Isaac Newton, in an episode in which the physicist observed an apple falling from a tree, identifying the way in which gravity causes objects to be attracted to the center of the earth.
Find out more about gravitational force here:
brainly.com/question/72250
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<h2>
The End of Trans-Saharan Trade Routes:</h2>
Explanation:
The factors that led to the end of trans-Saharan trade routes are:
- Civil unrest due to collapse of the Songhay Empire, the Timbuktu, by the Morracans in 1591
- The extreme desert conditions like extreme climates, excessive heat, lack of water and food etc made the travel logistics very tough. This made people opt for other transport systems
- Huge advancements made in maritime travel
- Exploration of West African trade routes
- Economic, political and social changes which led to the end of trans-Saharan trade routes
