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Free_Kalibri [48]
3 years ago
7

A phenomenon is something that sparks your curiosity and can be

Chemistry
1 answer:
scoray [572]3 years ago
6 0

Explanation:

What the question is asking is what is something exciting you've ever seen? It's something extraordinary and happens rarely.

You can use a meteor shower or a shooting star for example.

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What is the major divide or ridgeline that separate Virginia's watersheds?
rewona [7]
In Virginia, the continental divide separates the New River from the Roanoake and James River. East of the continental divide, the rivers flow east or south toward the Atlantic Ocean. West of the continental divide, the rivers flow north or west toward the Gulf of Mexico by way of the Ohio and the Mississippi Rivers.
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3 years ago
An indicator was used to test a water solution with a pH of 12. Which indicator color would be observed?
juin [17]

Answer:

4) pink  phenolphthalein

Explanation:

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2 years ago
An unknown substance undergoes a chemical change that gives off heat. What can you tell me about this substance?
marin [14]
On a molecular level there is a lot of movement which in turn is the reason why heat is generated.
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3 years ago
Read 2 more answers
You are a scientist working on increasing the efficiency of appliances to waste less electricity. You are running experiments me
bezimeni [28]
Answer : Option A) 45.5%
 
Explanation : We use the formula of calculating energy efficiency which is as,

η (in %)= [P_{Out} / P_{in}] X 100 
where η is energy efficiency,
and P values are for energy out and in.

So plugging the given values, we get,

η (in %) = (11825.5 / 25978.8) X 100 = 45.5 %
5 0
3 years ago
What is the difference between altitude and latitude?
Delvig [45]

Answer:

Altitude is an anagram of latitude. Latitude is an anagram of altitude.

Explanation:

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4 0
2 years ago
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