2 years ago

Question 4 Unsaved

1 answer:

4 0

I think it is eutrophication

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anyanavicka [17]

The correct answer is D because the the rest will have different answers depending on the person you ask. D can be proven with facts by research

8 0

3 years ago

Slav-nsk [51]

Explanation:

Let us assume that volumes is equal to spheres volume of nucleus.

fm = femto meter = $10^{-15}$

pm = pico meter = $10^{-12}$

Hence, calculate the volume as follows.

V = $\frac{4}{3} \times \pi \times r^{3}$

= $\frac{4}{3} \times 3.14 \times (2.7)^{3}$

= 82.4481 $fm^{3}$ (cubic femtometers)

or, = 82 $fm^{3}$

Now, we will calculate the volume of the atom as follows.

V = $\frac{4}{3} \times \pi \times r^{3}$

= $\frac{4}{3} \times 3.14 \times (70)^{3}$

= 1436758.4 $pm^{3}$ (cubic picometers)

thus, we can conclude that volume of the nucleus is 82 $fm^{3}$ and volume of the atom is 1436758.4 $pm^{3}$ .

7 0

2 years ago

mel-nik [20]

Answer:

Explanation:

5 0

2 years ago

NARA [144]

indefinite volume 

If the mass is definite and the density is definite, 
then your volume is definite.

3 0

3 years ago

Anna11 [10]

They move because of convection currents in the mantle

3 0

3 years ago