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2 years ago

What causes Earth’s major wind patterns?

Chemistry

2 answers:

lapo4ka [179]2 years ago

5 0

Answer:

Explanation:

The sun unevenly hits the Earth, causing wind to form and move around the poles; never constant.

Dovator [93]2 years ago

3 0

Answer:

A is correct i just took the quiz and got it right

Explanation:

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When a substance undergoes a Chemical Change, can the change be reversed? Explain your answer.

Vinvika [58]

Answer:When a substance undergoes a chemical change some of the chemical changes can be reversed with a chemical change.

Explanation:

A chemical change changes all of the element but some chemical changes but very few can be changed back to its original substance only with a chemical change.

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Tanya [424]

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2 years ago

two critical requirements must be met before light elements, like hydrogen or helium, will fuse and form heavier elements. The t

svlad2 [7]

I had to look for the options and here is my answer:
The two requirements for nuclear fusion that are needed to be met in order for the elements hydrogen and helium fuse to make heavier elements are extremely high temperatures and density. Hope this helps.

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3 years ago

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The reactivity of metals on the periodic table

kari74 [83]

Explanation:

The most reactive metals are found on the left of the periodic table, in the blue column, known as the alkali metals. Their reactivity increases as we go down column (group) one. Reactive metals, when attached to less reactive metals, have the ability to prevent the less reactive metal from rusting.

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2 years ago

I really need help it's urgent help ! Don't ignore it .Your work will be appreciated and don't spam

gtnhenbr [62]

ツ here your answer

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A)Potassium bromide(aq) + Barium iodide(aq) → Potassium iodide(aq) + Barium bromide(s)

2KBr(aq)+BaI2(aq) → 2KI(aq)+BaBr2(s)

B)Balance the Chemical Equation for the reaction of calcium carbonate with hydrochloric acid:
CaCO3+ HCl -> CaCl2 + CO2 + H2O To balance chemical equations we need to look at each element individually on both sides of the equation. calcium carbonate is a chemical compound with the formula CaCO3.

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