3 years ago

The smallest level of organization in living things is

1 answer:

6 0

The smallest level of organization in living things is the atom.

Next in line would be the cell, since a cell is made up of atoms working together. Next, cells working together would make up a tissue, and further, tissues working together would make up an organ.

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the half-life of iodine-131 is 8.1 days. how much time had passed if i only have one-fourth of the original sample?

morpeh [17]

Answer:

16.2 days

Explanation:

Find the number of halflives:

1/2 * 1/2 = 1/4 so <u>two</u> halflives have passed

2 * 8.1 days = 16.2 days

8 0

1 year ago

How fast does water flow from a hole at the bottom of a very wide, 3.2 m deep storage tank filled with water

Nezavi [6.7K]

Answer:

the velocity of the water flow is 7.92 m/s

Explanation:

The computation of the velocity of the water flow is as follows

Here we use the Bernouli equation

As we know that

$V_1 = \sqrt{2g(h_2 - h_1)}\\\\=\sqrt{2g(\Delta h)} \\\\= \sqrt{2\times9.8\times3.2} \\\\= \sqrt{62.72}$

= 7.92 m/s

Hence, the velocity of the water flow is 7.92 m/s

We simply applied the above formula so that the correct value could come

And, the same is to be considered

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2 years ago

Costal residents must do many things to prepare for hurricanes

tangare [24]

The answer is A it’s more safer that way

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2 years ago

A solution which has a solid solute is saturated at 25°C. It is then heated to 35°C. There is no change in the appearance of the

vampirchik [111]

Answer:

C. oversaturated

Explanation:

Sana nakatulong

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2 years ago

a peice of titanium metal has a mass of 67.5 gm and a volume of 15 cm cubed. what is the density od titanium?

Nuetrik [128]

density=mass/volume

mass=67.5

volume=15cm cube

67.5/15

4.5g/cm cube

6 0

3 years ago

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