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irga5000 [103]
3 years ago
8

An area of the Sun that seems much brighter than the area around it is

Chemistry
2 answers:
Morgarella [4.7K]3 years ago
5 0
C. Solar flare
I think this right have a good day :)
goldfiish [28.3K]3 years ago
3 0

Answer:

C. solar flares

Explanation:

Sunspots are areas of the Sun that are darker than the area around them. This is not the answer because we are looking for the opposite of this. The answer is not solar winds because solar winds are winds the Sun and other planets release. The answer is not D because electromagnetic radiation is just a type of radiation. The answer to the question is C.

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How many moles of magnesium hydroxide, Mg(OH)2 can be created using 2.23 x 10^24 oxygen atoms?
igor_vitrenko [27]

Answer:

32.07 g/mole.

Explanation:

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3 years ago
A set of headphones produces sounds that cancel out sound waves from the
Basile [38]

Answer:

C. Destructive interference

Explanation:

<em>Destructive interference</em> is when there are two waves <u>with the same frequency</u>, and the peaks of one wave (the highest points) line up with the valleys (the lowest points) of the second one.

Constructive interference would cause the sound to be louder.

Absorption and reflection are interactions that would not take into account the fact that the headphones produce sounds.

4 0
3 years ago
After swimming in the ocean for several hours, the swimmers noticed that their fingers appeared to be very wrinkled or shriveled
MatroZZZ [7]
<span>The answer is hypertonic. In osmosis, water molecules move from a hypotonic solution to the hypertonic solution, through a semipermeable membrane. This occurs until both solutions become isotonic relative to each other.  In osmosis, only the movement of water molecules occurs since the ions are large enough to pass through the pores of the semipermeable membrane, in this case, the cell membrane. Due to loss of water in the process of osmosis, the cells in the fingers of the swimmers shrunk hence looked shriveled.</span>




5 0
3 years ago
A substance has a solubility of 350 ppm.how many grams of the substance are present in 1.0l of a saturated solution
sergeinik [125]
Since the given solubility is 350 ppm, convert it first with fraction of solubility. by dividing the solubility with 10^6
S = 350 / 10^6
s = 3.5 x 10^-4
the multiply it to the total solution to calculate the amount of substance present
m = ( 3.5 x 10^-4 ) ( 1.01 )
m = 3.535 x 10^-4 g of the substance present
6 0
3 years ago
Read 2 more answers
What are the three stages in the PCR test? ( forensic science )
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Separating the Target DNA—Denaturation. ...
Binding Primers to the DNA Sequence—Annealing. ...
Making a Copy—Extension.
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3 years ago
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