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faust18 [17]
4 years ago
11

A group of students is investigating whether silver is a better thermal conductor than copper. The students take a silver wire a

nd a copper wire of the same length and diameter. They put equal lengths of wax on one end of each wire and dip the other end into a beaker of hot water. The length of wax left on the wires after 10 minutes is shown. Experimental Observations Silver Copper Original length of wax 3.5 cm 3.5 cm Length of wax after 10 minutes 1.2 cm 2 cm What was a control variable in this experiment?
Biology
1 answer:
AleksAgata [21]4 years ago
3 0

Answer:

The length of the two wires

Explanation:

A control variable is what you keep the same through the whole experiment so therefore it could be both length and diameter

Jey
2 years ago
Is it the original length or the final length of the wires?
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In rabbits, short hair(S) is dominant over long hair(s). What genotype and phenotype ratios are expected from a cross between tw
SOVA2 [1]

Answer:

Genotype                  Phenotype                      

SS                 1/4          Short hair         3/4

Ss                 2/4         Short hair          3/4

ss                  1/4          Long hair          1/4

Explanation:

Both are heterozygous for the trait so we can expect that the cross would be:

Ss x Ss

    S     s

S  SS   Ss

s   Ss   ss

So the resulting off-spring would have the following genotype and phenotype:

1 out of 4 will have a genotype of SS.

2 out of 4 or half will have a genotype of Ss.

1 out of 4 will have a genotype of ss.

But because short hair is dominant the phenotype ratios would differ because Ss and SS would express short hair, so we add up their ration:

Short hair: 1/4 + 2/4 = 3/4

Long hair:  1/4

So in summary:

Genotype                  Phenotype                      

SS                 1/4          Short hair         3/4

Ss                 2/4         Short hair        

ss                  1/4          Long hair          1/4

5 0
3 years ago
Read 2 more answers
Stegosaurus and ankylosaurus are united in a group called
Shtirlitz [24]

Stegosaurus and ankylosaurus are united in a group called; Thyreophora

<h3>What is the name of the species group?</h3>

Stegosaurus and ankylosaurus are united in a group called Thyreophora.  They belong to that group because under the classification of dinosaurs, the Thyreophora consist mainly of Stegosauria which are commonly known as the plated dinosaurs and Ankylosauria which are commonly called the armored dinosaurs.

It should be noted that this group could also include their more basal relatives like Scutellosaurus and Scelidosaurus.

Read more about Species Group at; brainly.com/question/1918761

#SPJ11

4 0
2 years ago
Buony
sasho [114]
My lg is driplikemessiah and just look up the
4 0
3 years ago
What is dung?
erastova [34]
Dung is animal waste
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3 years ago
Describe why biodiversity increased with the introduction of sea otters in California over the last fifty years
Naya [18.7K]

Answer:

Due to increment in food chains.

Explanation:

Biodiversity is actually the measure of changes in the ecosystem, genetic levels and various species levels. The sea otters introduced in California over last fifty years, increased the diversity in the ecosystem as well as in species too, thus changing the biodiversity. This was the impact of increase in food web in that particular area, the number of consumers, producers and prey increased thus increasing the biodiversity.

7 0
3 years ago
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