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Verizon [17]
2 years ago
15

Do projections on the surface of this virus allow the virus to attach to a host cell

Biology
1 answer:
castortr0y [4]2 years ago
7 0
True

Good luck on your questions! :D

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The image of an object which is 10cm from a lens is formed on the same side as the object. If the image is 10cm behind the objec
andre [41]

Answer:

Focal length is 6.67 cm.

Explanation:

Object distance, u, from the lens = 10 cm

Image distance, v, to the lens = 10 cm + 10 cm

                                                 =  20 cm

Apply the lens formula to determine the focal length, f, of the lens.

\frac{1}{f} = \frac{1}{u} + \frac{1}{v}

 = \frac{1}{10} + \frac{1}{20}

    = \frac{2 + 1}{20}

\frac{1}{f}  = \frac{3}{20}

Find the inverse of both sides, so that;

f = \frac{20}{3}

  = 6.67

f = 6.67 cm

The focal length of the lens is 6.67 cm.

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3 years ago
True or False? The filtrate - the material that is filtered from the blood - contains
Bas_tet [7]

Answer:

it is true

Explan

4 0
2 years ago
if u know this answer please send I need to know if these are active or passive transport or diffusion or osomisis
konstantin123 [22]

Answer:

i think it is passive transport

3 0
2 years ago
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Warm water _____. a) is less dense than cold water b) is more dense than cold water c) has higher salinity than cold water d) ha
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I would say its D :)

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3 years ago
Describe how adaptation relates natural selection?
Arturiano [62]

Answer:

PLEASE MARK AS BRAINLIEST!!

Explanation:

In evolutionary theory, adaptation is the biological mechanism by which organisms adjust to new environments or to changes in their current environment. ... The idea of natural selection is that traits that can be passed down allow organisms to adapt to the environment better than other organisms of the same species.

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