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vesna_86 [32]
3 years ago
11

Jayla and her grandma are designing a lunchbox. The lunchbox will be made out

Biology
1 answer:
sasho [114]3 years ago
8 0

The best material to use is foam, since it is the best insulator. An insulator will help slow the transfer of heat from outside of the lunchbox to inside of the lunchbox. The extra layer will be of foam.

Explanation:

If we compare the specific heat capacity of rubber and foam it can be found that foam has high specific heat capacity, which indicates that it is the good insulator.

An insulator is a substance in which heat exchange between medium and surrounding is very low.

Jayla and her grandma wanted their food to be cold all morning so foam as an insulator is the best choice.

Thus, high specific heat energy means large amount of energy required to raise the temperature by 1 degree in response to the mass of the substance as per unit mass.

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Answer:

Body Fossils.

Molecular Fossils.

Trace Fossils.

Carbon Fossils.

Pseudofossils.

Explanation:

Here they are! Hope its helpful :D

4 0
3 years ago
In the world of biotechnology and genetic engineering, what is a vector? A) A vector is a type of enzyme made by viruses, used t
muminat
Yes B) A vector is a plasmid or virus used to move foreign genes into desired host cells.<span>is correct</span>
8 0
4 years ago
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Is a superficial fungal infection found on the head.
Marianna [84]

Answer:

Option B, Tinea capitis

Explanation:

Superficial fungal infection of skin of head or scalp is known as Tinea capitis.

These fungal infection attack the hair shafts and follicles and is a superficial form of mycosis or dermatophytosis.

Tinea cruris is the superficial infection of genitals, buttocks and inner thighs regions. Hence, option A is incorrect.

Tinea pedis is the superficial infection of foot and regions between the phalanges. Hence, option C is incorrect.

Tinea corporis is the superficial infection of arms, legs or skin. Hence, option D is incorrect.

Thus, option B is correct.

4 0
3 years ago
Is the following a hypothesis: temperature will affect the cohesion of water to a penny?
lorasvet [3.4K]
It's not a hypothesis because it's asking a question for example a hypothesis is a statement supported by evidence so for example "my hypothesis would be the temperature does affect the cohesion of water to penny because of this and that"

hope this helps
5 0
3 years ago
______ is a chart used to show the possible outcomes of allele combinations that parents can pass on to their offspring.
kolezko [41]

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

                  Hello!

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ B. Punnet Square is a chart used to show the possible outcomes of allele combinations that parents can pass on to their offspring.

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

3 0
3 years ago
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