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Lostsunrise [7]
3 years ago
11

Which best describes biogeographic isolation?

Biology
2 answers:
Tatiana [17]3 years ago
8 0
Bio-geographic isolation is the separation of part/a whole species due to either biological or geographical reasons.

Biological could be lack of food, or a more preferable source of food somewhere else, etc. Geographical could be rivers, oceans, mountains, etc.

ad-work [718]3 years ago
8 0

Answer:

B. It cannot lead to evolution

Explanation:

I took the test on edge.

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The answer is 51.0 ml but can someone explain why please
professor190 [17]

Answer:

\boxed{\sf A. \ 51 \ mL}

Explanation:

Amount of water displaced by the sphere will be equal to the volume of complete sphere.

As the sphere completely sinks to the bottom of the cup.

We have been given;

Diameter of sphere (d) = 4.6 cm

So,

\sf Radius \:  of \:  sphere  \: (r) =  \frac{Diameter \:  of \:  sphere \: (d)}{2}  \\  \sf =  \frac{4.6}{2}  \\ \sf  = 2.3 \: cm

Volume of sphere (V):

\boxed{ \bold{V =  \frac{4}{3} \pi {r}^{3} }}

By substituting value of r we get:

\sf \implies V =  \frac{4}{3}  \times \pi \times  {(2.3)}^{3}  \\  \\  \sf \implies V =  \frac{4}{3}  \times 3.14 \times 12.167 \\  \\ \sf \implies V =    \frac{152.81752}{3} \\  \\   \sf \implies V =  50.94 \:  {cm}^{3}  \\  \\   \sf \implies V  \approx 51 \:  {cm}^{ 3}

1 cm³ = 1 mL

\therefore

V = 51 mL

So,

Water displaced by the sphere = 51 mL

6 0
2 years ago
HELP PLSSS<br> what are the differences between voluntary and reflex actions?
marshall27 [118]

Answer:

Voluntary are actions you consciously do where as reflex actions are just a reflex you don’t think about them you just do them

HOPE THIS HELPS

-Todo ❤️

Explanation:

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<span>B. Covalent bonds because the carbon likes to share its electrons with the hydrogen atoms</span>
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Explanation:

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