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vladimir2022 [97]
2 years ago
10

In the first step in the life cycle of a star, it is called a:

Chemistry
1 answer:
KengaRu [80]2 years ago
7 0
Its called a protostar. This chemical change gives off a large amount of energy in the form of heat.

Brainiest plx
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What is the name for a substance made of billions of oppositely charged ions<br> joined together?
bija089 [108]

Answer:

Ionic substance

Explanation:

An ionic substance is formed when oppositely charged ions link up to form an infinitely large lattice structure that can only be described in terms of unit cells.

Ionic substances may consist of billions of oppositely charged ions. Ionic substances are hard, have high melting and boiling points and do not conduct electricity in the solid state because the ions are not free in the solid state.

However, in solution or molten state, the substance conducts electricity since the ions which are the charge carriers are now mobile.

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A cuz a heterogeneous mixture is no uniform

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What type of physical weathering is caused by the expansion of water?
skelet666 [1.2K]

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3 years ago
5 points
Orlov [11]

Answer:

The correct option is (a).

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We need to find the product of given numbers.

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=295\times 24\\\\=7080

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