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Andrei [34K]
2 years ago
12

What element traditionally creates blue fireworks?.

Social Studies
1 answer:
Artist 52 [7]2 years ago
6 0

Answer:

Copper:

Copper compounds produce blue colors in fireworks. Although Copper has a red appearance in solid form, when it’s set alight it creates stunning blue fireworks. Copper is used in electrical wire and roughly half of all copper mined is used for this purpose.

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3 years ago
What was one of the factors that motivated nations to abolish slavery?
igor_vitrenko [27]

Answer:

A. slavery was no longer profitable

Explanation:

During the industrial revolution, American businesses started to used modern machines to replace the existing manual labor.  This made using slaves no longer as profitable as it used to.

As a result, people started to give support to abolish slavery. But this support tend to be coming from the northern states. At that time , the southern states were not as willing to adopt the technology from the industrial revolution.  This made the southern states still reliant on slaves. This what caused the conflict that lead to the civil war.

4 0
3 years ago
Thinking in terms of a situation’s current state and not having the ability to mentally reverse actions are limitations of the _
pickupchik [31]

The correct answer would be option D, Preoperational.

Thinking in terms of a situation's current state and not having the ability to mentally reverse actions are limitations of the Preoperational stage.

Explanation:

According to Piaget's Cognitive Development Theory, there are four stages of development in Children. These are as follows:

  • Sensorimotor
  • Preoperational
  • Concrete
  • Formal

The Preoperational stage starts at an age of two and lasts until the age of seven years. According to Preoperational stage in Piaget's theory, the children at this age cannot use logic. The children during this stage cannot transform, combine or separate ideas.

This means that when a child is not able to logically interpret something, he is in the Preoperational stage.

Learn more about Piaget's Theory of Cognitive Development at:

brainly.com/question/6704782

#LearnWithBrainly

4 0
3 years ago
Why might Chinese burn paper money at a festival for ancestors?
alisha [4.7K]

The answer is going to be C.


7 0
3 years ago
Read 2 more answers
1 + 4 [ 10n + 10] = 41 <br> solve absolute value equations <br>​
vlabodo [156]
Interesting question
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3 years ago
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