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vova2212 [387]
3 years ago
12

The Earth is populated mostly by single-celled organisms, such as bacteria. However, there are many multi-celled organisms as we

ll. Which of the following is a multi-celled organism? A. flower B. human C. insect D. all of these
Biology
2 answers:
Kipish [7]3 years ago
5 0

all of them because it was a study island question and i got it right

Liula [17]3 years ago
3 0
All of the organisms mentioned are multi-celled!
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Which organelle breaks down sugar molecules that supply energy to the cell?
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Your answer would definitely be D - Mitochondria. Mitochondria is the organelle that supplies all the energy for a cell. Hope I was helpful, have a good day! 8)

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Why DNA is absent in blood plasma?
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Red blood cells and blood plasma do not contain DNA. Red blood cells don't have the DNA containing nucleus and mitochondria. Only white blood cells in blood contain DNA. With blood donation, usually most of the white blood cells are filtered out.

Explanation:

because red blood cells don't have the DNA containing nucleus and mitochondria

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2 years ago
Which level on on the pyramid will have the most amount of energy?
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5 0
3 years ago
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

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