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Gre4nikov [31]
3 years ago
7

Which is an example of a chemical change​

Geography
1 answer:
anyanavicka [17]3 years ago
8 0

Answer: Rust is an example of a chemical change.

Explanation: Remember, a chemical change has to do with chemicals permanently  changing something. Rust comes form metal and oxygen. When these two chemicals mix, it causes rust.

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6 0
3 years ago
Why did the US and USSR never declare war on one another?
SpyIntel [72]

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Neither country wanted to engage in a nuclear war that would lead to worldwide destruction.

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The US and USSR became arch enemies soon after World War II ended, and that continued to be the case until the USSR seized to exist. The two countries became opponents and developed very bad and tense relations because they had different ideas as to how the world should shape up, but also because both of them wanted to be the only dominant power in the world.

Both countries were heavily armed and the weaponry was constantly icnreasing, with newer and better weapons constantly been created to gain an advantage. Nuclear weapons were abundant at both as well, but they never got used in an open war between them. The reason was simple, if a direct war between them occurred, there would have been worldwide destruction and everyone will lose, so that was kept as the last option in case of an attack by the other. Not to be mistaken though, these two were constantly in war with each other, not just diplomatic, but also military one, just that they used other countries as battlefields where they supported a particular side.

7 0
3 years ago
A metamorphic rock can also be thought of as a rock that changes. What causes the rock to change?Layers of sediment build up ove
marissa [1.9K]

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- Sedimentary rocks are types of rock that are formed by the accumulation or deposition of small particles/sediments.

- Igneous rock is formed through the cooling and solidification of magma or lava

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How many degress are there in each exterior angle of an equiangular triangle?
tia_tia [17]
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5 0
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