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vodomira [7]
3 years ago
11

Volcanoes occur only in oceanic crust? true or false

Biology
1 answer:
Serjik [45]3 years ago
6 0

Answer:

FALSE

Explanation:

Because the magma is less dense than the surrounding rock, it rises toward the surface. Eventually, the magma breaks through the ocean floor, creating volcanoes. ... Hot spots form only under oceanic crust.

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Protein digestion starts in the _____________, where _______________ denatures proteins.
d1i1m1o1n [39]
The answer to this question would be: Stomach(gaster), HCl

Protein digestion happens in the stomach. The stomach will secrete the acid which was HCl to kill bacteria inside food and denatures the protein. The acid also activates pepsin enzyme and in turn, will digest the protein into smaller amino acids.
8 0
3 years ago
Penicillin is Choose one: A. produced by a mold and was discovered accidentally. B. a human-designed antibiotic, synthesized to
NeX [460]

Answer:

Option-A

Explanation:

Penicillin is an antibiotic drug that is derived from the fungal species of Penicillium molds especially the<em> Penicillium notatum</em>.  The penicillin acts by disrupting the formation of the cell wall and thus prevents the growth of the bacteria.

The discovery of penicillin was accidental when he was studying the petridish of staphylococcus and he found that due to avoidance while the experiment, molds grew in the petridish.  The area around the mold was clear and clear rings without the bacteria were easily observed. This lead to the discovery of the penicillin compound.

Thus, Option-A is the correct answer.

4 0
3 years ago
Giving 30 points and brainliest to the first answer
Nookie1986 [14]
I think it’s D not sure tho
7 0
3 years ago
Read 2 more answers
Hornblende and other amphiboles have what type of silicate structure
KatRina [158]

Hornblende and other amphiboles have double chain silicate structures.  

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The double-chain silicates take place when tetrahedral produce a double chain by sharing two or three oxygen atoms each.  


8 0
3 years ago
Why is prophase the longest phase of mitosis
Mamont248 [21]

Answer:

During prophase, which occurs after G2 interphase, the cell prepares to divide by tightly condensing its chromosomes and initiates mitotic spindle formation. The chromatin fibers condenses into discrete chromosomes. The nucleolus also disappears during early prophase.

3 0
3 years ago
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