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kaheart [24]
2 years ago
6

What causes sunburn? Why do we have trouble perceiving the energy that causes it?

Biology
2 answers:
Alenkasestr [34]2 years ago
4 0

Answer:

sunburn is caused by too much exposure to ultraviolet rays.

Explanation:

Melanin is the dark pigment in the skin's outer layer that gives skin its normal color. When your skin face too much exposure to sun. UV rays in sun destroys the melanin due too which sunburn is caused

anzhelika [568]2 years ago
3 0
Infrared waves have less energy than visible light waves. Infrared waves are longer with more space between each high and low. Ultraviolet waves have more energy than visible light does. It's this energy that can hurt us.
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I am not good at bio aka life so i need help with 19 and 20
Vera_Pavlovna [14]

Answer:

#19 = The cell is an animal cell because it's missing the organelles required in plant cells(chloroplast, vacuoles, and the cell wall)

#20 = The mitochondria would be most likely to be affected because it's the powerhouse of the cell, provides energy, and imports proteins. I hope this helps.

Explanation:

3 0
4 years ago
Why is bread light and fluffy?<br> (This was on my biology packet for fermentation.)
avanturin [10]
When yeast rises, it creates air bubbles

5 0
3 years ago
The transfer of nitrogen from the atmosphere to the soil, to living things, and back to the atmosphere is...
vodomira [7]

Answer:

El ciclo del nitrógeno

Explanation:

3 0
3 years ago
PLEASE HELP
Gre4nikov [31]

Answer: a. an anticodon and an amino acid

Explanation:

The following is a typical structure The tRNA where we can observe an anticodon that binds to the nucleotide sequence of the mRNA and an amino acid that in triplet encodes for an protein.

7 0
3 years ago
HEELLPP ASAPP PLEASEE!!<br><br> don’t answer if u don’t know
ikadub [295]

Answer:

Brown is the dominant gene and white is the recessive gene.

Explanation:

If brown were to be dominant then the mice would most likely all be brown unless the got both a white from mom and dad which is most likely due to brown being recessive the dad could be part white you just wouldn't see it. And since the mother is white all of the mice get a white gene from the mom and since the dad most likely has a white gene hidden inside of him only tow mice became fully white while the siblings were brown.

Hope this helps.

6 0
3 years ago
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