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Andrej [43]
2 years ago
5

How does sound travel ? How does the medium the sound travels through help determine the speed of sound ?

Biology
1 answer:
Andreas93 [3]2 years ago
8 0

The speed of a sound wave depends upon the medium through which it travels. In general, sound travels faster through solids than through liquids or gases. Also, the denser the medium, the slower sound will travel through it. The same sound will travel at a different speed on a cold day than it would on a warm day.

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Look at the jellyfish in figure 25-6. How many planes of symmetry could you draw through this animal?
Valentin [98]

Answer:

None.

Explanation:

The tentacles are all different lengths.

6 0
3 years ago
In genetics, the dash symbol (–) is a "wild card" that stands for either the dominant allele or the recessive allele; for exampl
bearhunter [10]

Answer:

1/16 are ovoid

Explanation:

Hello!

From an AaBb genotype we can obtain four possible gametes AB, Ab, aB and ab.  With the Punnett square we can observe the crossing.  In the second Punnett square we can see the form A– B–

AB          Ab           aB          ab

AB AABB AABb AaBB AaBb

Ab AABb AAbb AaBb Aabb

aB AaBB AaBb aaBB aaBb

ab AaBb Aabb aaBb aabb

AB          Ab          aB          ab

AB A-B-  A-B-  A-B-  A-B-

Ab A-B-  A-bb A-B-        A-bb

aB A-B-  A-B-  aaB- aaB-

ab A-B-  A-bb aaB- aabb

The genotypes of the form A– B–, A– bb and aa B– have triangular seed capsules (15 of 16), while the seed capsules of the aa bb genotypes are ovoid (1 of 16).

Successes with your homework!

3 0
2 years ago
Tcs food must be cooled to what temperature in the first two hours
ValentinkaMS [17]
TCS food must be cooled from 135 to 70 DEGREE FAHRENHEIT in the first two hours.
TCS foods are those foods which require time-temperature control in order to prevent the growth of microbes and production of toxins in the foods. These foods are more likely to become unsafe than other foods because they allow rapid growth of micro organism. 

7 0
2 years ago
The bottleneck effect is used to describe an event where a population decreases. One example involves the northern elephant seal
Svet_ta [14]
I think the best phrase to describe this would be Founder effects. Founder effects occurs when a new colony is started by a few members of the original population. This small population size means that the colony may have; a non-random sample of genes in the original population. Reduced variation from the original population.. According to Bottlenecks and founder effects, genetic drift can cause big losses of genetic variation for small populations.
5 0
3 years ago
Read 2 more answers
Which two processes indicate that water is gaining thermal energy
Goshia [24]

Answer:

A. evaporating, D. boiling

Explanation:

Condensation, deposition, and freezing are processes that occur as a result of a decrease in the heat energy of water particles.

6 0
2 years ago
Read 2 more answers
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