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egoroff_w [7]
2 years ago
13

The movement of the tectonic plates on the earth is caused by

Chemistry
1 answer:
zzz [600]2 years ago
3 0

Answer:

The movement of tectonic plates is caused by convection currents in the molten rock in Earth's mantle below the crust layer. Earthquakes and volcanoes are great examples of the tectonic movement's results.

Explanation:

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All atoms of a given element are identical was proven wrong because of the existence or
vagabundo [1.1K]

Answer:

they are all similar

Explanation:

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3 years ago
When the products of a reaction are hotter than the reactants:
kobusy [5.1K]
A.) The reaction is Exothermic
5 0
3 years ago
20 points please help
exis [7]

The answer should be A, flammability.


The isotopes of the same element would result in the same chemical properties, as the number of protons and electrons are not changed, meanwhile, the physical properties would be slightly different with each other because they have different numbers of electrons.


Out of the 4 options, only option A is a chemical property. Chemical properties are the properties of an element reacting with other substances that creates new substances at the end. While physical properties are the ones that does not produces new substances or any reactions. They are usually observable and measurable.


Therefore, since flammability is a chemical property, the answer is A.

6 0
2 years ago
What common substance is a three molecule like
mote1985 [20]

Window cleaner is ammonia dissolved in water. This is an example of a _______.

8 0
3 years ago
Identify the solute and solvent in each of the solutions. A. salt ( NaCl ) (NaCl) in water salt: water: B. air (a solution of 78
stira [4]

Answer:

A) solute - NaCl, solvent - water

B) solute - O2 and other gases, solvent - N2

C) solute - ethanol, solvent - water

D) solute - tin, solvent - copper

Explanation:

Solute(s) is/are the minor component(s) in a solution, dissolved in the solvent.

Solvent is the component of a solution that is present in the greatest amount. It is the substance in which the solute is dissolved.

If both solute and solvent exist in equal quantities (such as in a 50% ethanol, 50% water solution), the concepts of "solute" and "solvent" become less relevant, but the substance that is more often used as a solvent is normally designated as the solvent (in this example, water).

5 0
3 years ago
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