Which medium does light travel fastest through

2 answers:

5 0

The fastest thing in the whole universe is the speed of light in a vacuum (like outer space!), clocking in at a great 2.99 x 108 m/s. Light travels in waves, and we call thistraveling propagation. Propagation of waves has both a speed and a direction, called the velocity.

Igoryamba3 years ago

5 0

Liquids are not packed as tightly as solids. And gases are very loosely packed. The spacing of the molecules enables sound to travel much faster through a solid than agas. Sound travels about four times faster and farther in water than it does in air.

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Which type of fish are sharks?

MaRussiya [10]

Answer:

B. Cartilaginous fish

Explanation:

Sharks have a cartilaginous skeleton. Cartilage is less dense than bone which allows sharks to move quickly through the water without using too much energy.

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2 years ago

Am i correct on both of these?? (:

Allisa [31]

Both should be puberty

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3 years ago

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A malaria outbreak causing allele frequencies to change is an example of

Nina [5.8K]

This would be an example of a mutation, because the changing of allele frequencies would be a change within the gene itself, which would be a mutation in the DNA. This is evidenced by the fact that there is now a form of human resistance to malaria, due to changes within human DNA itself.

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3 years ago

List 3 main types of lipids in biological things. Then describe where each would be found in the body.

navik [9.2K]

Answer:Lipids perform three primary biological functions within the body: they serve as structural components of cell membranes, function as energy storehouses, and function as important signaling molecules. The three main types of lipids are triacylglycerols (also called triglycerides), phospholipids, and sterols.

triglycerides- fat

phospholipids- plant and animal cell membrane

sterols- plant and animal cell membrane's microorganism.

Explanation:

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3 years ago

N pea plants there is complete dominance for the trait of flower color. the p allele produces purple flowers and p produces whit

Reptile [31]

PP- purple homozygote
pp- white homozygote
Pp- purple hetrozygote

If these flowers cross, we obtain heterozygote offsprings with a genotype: Pp (100% of them will be like this)

Now, if those offsprings cross with each other: Pp x Pp
results:
1/4 would be purple homozygote -> PP
1/4 would be white -> pp
2/4 would be purple heterozygotes -> Pp
Genotipic ratio: 3:1 (3 are purple; 1 is white)

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3 years ago