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3 years ago

Can some one please write a 4 sentence about the Precambrian era

1 answer:

5 0

The beginning of the Precambrian period starts with the formation of Earth about 4.5 billion years ago and ends at the first sign of complex life about 540 million years ago. Though the Precambrian Period is often referred to as a period, it's actually the only supereon, which means that it spans multiple eons. The Precambrian is known as the geologic era. The Precambrian is the 1st era. hope that helped

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The capital of chile is santiago. true or false?

Kruka [31]

The capital of Chile is Santiago. "True."

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3 years ago

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New York or California?

Galina-37 [17]

Answer:

new york

Explanation:

because it is more interesting and smaller than california

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2 years ago

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Ostrovityanka [42]

Answer:

I Believe the answer is A

due to B being suggesting a solution, C testing for something, D he or she predicting things and

A sounds the most reasonable choice because "I am missing the ball most likely because I'm not keeping my eye on it." just matches the sentence it is a problem and could later maybe if rephrased be a question as well.

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2 years ago

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Which statements are true regarding undefinable terms in geometry? Select two options.

NeX [460]

The statements that hold true regarding the undefinable terms in geometry include,

A point’s location on the coordinate plane is indicated by an ordered pair, (x, y).
A plane consists of an infinite set of points.

Therefore, the options A and E hold true.

<h3>What is the significance of geometry?</h3>

In the study of geometry, a point, which contains a coordinated plane, is indicated with the help of variables. Geometry also recommends that a plane consists of infinite set of point, and there is no limit on the number of lines that can pass through a point on the plane.

Therefore, the options A and E hold true and state regarding the significance of geometry.

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1 year ago

When does a protostar become a true star?

Lubov Fominskaja [6]

Answer:

C) when nuclear fusion begins in the core

Explanation:

The protostar is a main-sequence star that has a core temperature that exceeds abut 10 million K and is needed for the hydrogen to operate efficiently and the length of this process depends on nature and the stellar mass, as the huge massive star have a greater and bigger core and fusion takes fast.

A protostar is also called as primitive star and represents the earliest phases of the process of the stellar evolution and takes place after it leaves form the main sequence star.

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3 years ago