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3 years ago

How could a tsunami affect a coastal ocean ecosystem

1 answer:

3 0

It will affect the direction of he ocean waves due to the wind blowing in random directions in a tsunami and it will cause coastal damages to the coast. Tsunamis can also wreck coastal defences so without them the shore may become out of shape. The sea animals' habitat will be damaged and some could get killed by a tsunami which means less predators for their prey so more prey and less producers (ecosystem). ;)

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if an iron nail is placed in a glass of water the nail will sink. Is the density of iron smaller than or larger than the density

Gala2k [10]

It has more density when it sinks because the water pushes away thats why people float they are less dense

5 0

3 years ago

When 136g of glycine are dissolved in of a certain mystery liquid , the freezing point of the solution is lower than the freezin

loris [4]

The given question is incomplete. The complete question is:

When 136 g of glycine are dissolved in 950 g of a certain mystery liquid X, the freezing point of the solution is 8.2C lower than the freezing point of pure X. On the other hand, when 136 g of sodium chloride are dissolved in the same mass of X, the freezing point of the solution is 20.0C lower than the freezing point of pure X. Calculate the van't Hoff factor for sodium chloride in X.

Answer: The vant hoff factor for sodium chloride in X is 1.9

Explanation:

Depression in freezing point is given by:

$\Delta T_f=i\times K_f\times m$

$\Delta T_f=T_f^0-T_f=8.2^0C$ = Depression in freezing point

$K_f$ = freezing point constant

i = vant hoff factor = 1 ( for non electrolyte)

m= molality = $\frac{136g\times 1000}{950g\times 75.07g/mol}=1.9$

$8.2^0C=1\times K_f\times 1.9$

$K_f=4.32^0C/m$

Now Depression in freezing point for sodium chloride is given by:

$\Delta T_f=i\times K_f\times m$

$\Delta T_f=20.0^0C$ = Depression in freezing point

$K_f$ = freezing point constant

m= molality = $\frac{136g\times 1000}{950g\times 58.5g/mol}=2.45$

$20.0^0C=i\times 4.32^0C\times 2.45$

$i=1.9$

Thus vant hoff factor for sodium chloride in X is 1.9

3 0

3 years ago

Which of the following describes the tiny particles that make up matter?

Ksenya-84 [330]

The answer isssssss d

8 0

3 years ago

If cells in the process of dividing are subjected to colchicine, a drug that interferes with the formation of the spindle appara

Orlov [11]

The question is incomplete as it does not have the options which are:

A) anaphase

B) prophase

C) telophase

D) metaphase

E) interphase

Answer:

The correct answer will be option-D

Explanation:

Colchicine is a drug obtained from the <em>Colchicum autumnale</em> which is a poisonous European flowering plant. The drug is used to treat joint swelling and gout.

Colchicine shows its effect during the cell division cycle especially during the division of nuclear content. When the cell is in metaphase and is preparing for the anaphase, the colchicine inhibits the polymerisation of the microtubules. The inhibition of microtubules inhibits the assembly of the mitotic spindle as a result of this the DNA do not move into new daughter cells.

Thus, option-D is the correct answer.

5 0

3 years ago

Nvmmmmmmmmmmmmmmmmmmmmmmmmm lol

Vlad1618 [11]

Answer:

coooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooool lol

Explanation:

7 0

3 years ago

Read 2 more answers