How does a star form?

2 answers:

8 0

in a star-forming area when a star passes of a supernova happens nearby the matter clumps together and gets so hot that the hydrogen fuses with others to get helium.

Bezzdna [24]3 years ago

7 0

A star froms when gravity pulls out a large cloud of matter is pulled of of a part of earth forming a star

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To evaluate R. the volume of a gas measured in the temperature of the gas is measured in<br> while

Lilit [14]

Answer:It is necessary to use Kelvin for the temperature and it is conventional to use the SI unit of liters for the volume.

Explanation:

However, pressure is commonly measured in one of three units: kPa, atm, or mmHg. Therefore, can have three different values.

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3 years ago

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The number of possible different orbital shapes for the third energy level is

adelina 88 [10]

Answer:

option c) 3 is the correct option

Explanation

as we know that 3rd principal energy level contains 3 sub levels,which are named as s,p and d. These sub levels further contain different numbers of orbitals,

and these sub levels can be termed as regions of probability of finding an electron, and each orbital may have a maximum number of two electrons in it.

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3 years ago

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Marvin records scientific data about Lake Superior. For which property has Marvin forgotten to use an SI unit of measurement?

Illusion [34]

Answer: low temperature

Explanation:-

S.I or M.K.S is a system for defining physical units as meter, kilogram, second, ampere, kelvin or celcius, candela, and mole together with a set of prefixes to indicate multiplication or division by a power of ten for measuring length, mass, time , current, temperature and amount of substance respectively.

Given :

lake length = 563 kilometers = $563\times 10^3m$