Answer:
D) The inner portions of the disk are warm from the protostar making the heavy elements remain there.
Explanation:
North America,South America, Europe,Asia,Africa,Australia,and Antartica
The meaning for suspension, solution, Traction, and saltation is explained below
<u>Explanation:</u>
Suspension: It is an act of temporary stopping of some happening, operation, or a process over a period of time.
Solution: It is an action or process of giving an answer or solving a problem, question, situation.
Traction: It is a process or action of drawing or pulling an object or a thing over a surface to complete its task is known as Traction.
Saltation: It is an action of abrupt variation in the appearance of an organism, sudden jumping or leaping movement, sudden large scale- mutation. These are all referred to as saltation.
Answer:
According to the nebular hypothesis, our solar system is formed from a huge rotating cloud made mostly of helium and hydrogen.
Explanation:
The nebular hypothesis was proposed by I. Kant. It explains the formation and evolution of the Solar System. It is considered and accepted widely. The theory states that the Solar System was formed from a nebulous material. And as per nebular hypothesis, stars create the huge, dense clouds of molecular hydrogen. This hypothesis tries its best to describe the formation of the solar system from a nebula cloud that was made of a collection of dust and gas. It is also believed that the sun, planets, moons and asteroids were also born around the same time that is, around 4.5 billion years ago from a nebula.
