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attashe74 [19]
4 years ago
6

Why is melting an ice cube considered a physical change

Biology
1 answer:
blsea [12.9K]4 years ago
4 0

Explanation:

As an ice cube melts, its shape changes as it develops the skill to flow. However, its composition does not change. Melting is a representation of a physical change

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During conjugation what is transferred from one bacteria to the next
lubasha [3.4K]

Answer:

Genetic material

Explanation:

Conjugation is one of the ways by which bacteria exchange their genetic material (horizontal gene transfer). Two bacterial cells must physically connect in order to perform the conjugation. The linking occurs through a pilus.

Pilus is an appendage on the surface of bacteria cell and it is also called fimbria. Pilus is  filamentous, tubular and composed of oligomeric proteins-pilin.

Donor cell contain pilus that will attach to the recipient bacterial cell and induce the transfer.

6 0
3 years ago
OUTER CORE
BigorU [14]

Answer:

the outer core is a hot liquid made of nickel and other things the crust is the outermost part of the earth comprised of the tectonic plates the inner core is comprised of iron and nickel and is solid the mantle is comprised of magma

Explanation:

6 0
3 years ago
1.Paramecium was found to occupy 20% of the FOV of a microscope at 40X magnification power. How many paramecium can be accommoda
7nadin3 [17]

Answer:

Five (5)

Explanation:

A <u>total of five (5) paramecia </u>can be accommodated within the FOV.

The field of view of a microscope represents the area of the visible region under the ocular/eyepiece at a specific magnification. In other words, the diameter of the circular area visible through the ocular of the microscope at a specific magnification represents the field of view.

<em>If a paramecium was found to occupy 20% of the total field of view of a microscope at X40 magnification, then the total number of paramecia that can be accommodated within the field would be:</em>

     100/20 = 5 paramecia

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3 years ago
Which of the following is not part of testing a hypothesis?
Afina-wow [57]
A. that is the hypothesis
3 0
3 years ago
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In what way are the planets mars mercury and earth similar ?
PilotLPTM [1.2K]

Answer:

Together with Venus, they make up the inner, rocky planets of the Solar System.

Explanation:

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