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goldenfox [79]
3 years ago
13

An artificial reef is intended to affect the ocean ecosystem by — А A removing pollution from the water B В providing shelter fo

r marine organisms causing sediment to erode into deeper waters D preventing people from overfishing along the shore​
Chemistry
2 answers:
Gwar [14]3 years ago
6 0

Answer:

B

Explanation:

just answered

Mama L [17]3 years ago
3 0

Annswer is B Explanation:acording to this diagram i f

gffgdffdggfdfgd

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[1] b) In a local election there were 8000 registered voters. Of these 3200 voted. What was the percentage that voted? [1] <​
Alexandra [31]

Answer:

40% of registered voters voted

Explanation:

3200 out of 8000,

or :

3200 / 8000

= 0.4

0.4 x 100 = 40

40% of registered voters voted

4 0
2 years ago
Key words how atoms work?
pantera1 [17]
Most atoms have three different subatomic particles inside them: protons, neutrons, and electrons. The protons and neutrons are packed together into the center of the atom(which is called the nucleus) and the electrons, which are very much smaller, whizz around the outside. Most of an atom is empty space.

I hope this helps you! :D
3 0
3 years ago
3. the closeness of a measurment to its true value is a measure of its ____ ?
valkas [14]
The closeness of a measurement to its true value is a measure of its Accuracy.
4 0
3 years ago
At equilibrium the reactant and product concentrations are constant because a change in one direction is balanced by a change in
Anna [14]

Answer: a. The concentrations of the reactants and products have reached constant values

Explanation:

The reactions which do not go on completion and in which the reactant forms product and the products goes back to the reactants simultaneously are known as equilibrium reactions.  For a chemical equilibrium reaction, equilibrium state is achieved when the rate of forward reaction becomes equal to rate of the backward reaction.

Equilibrium state is the state when reactants and products are present but the concentrations does not change with time and are constant.

Equilibrium constant is defined as the ratio of concentration of products to the concentration of reactants each raised to the power their stoichiometric ratios. It is expressed as K_{eq}

K is the constant of a certain reaction when it is in equilibrium, while Q is the quotient of activities of products and reactants at any stage other than equilibrium of a reaction.

For a equilibrium reaction,

A\rightleftharpoons B

K_{eq}=\frac{[B]}{[A]}

Thus the correct answer is the concentrations of the reactants and products have reached constant values.

5 0
3 years ago
What do the conclusions tell about the experiments?
Anni [7]

Answer:

the answer would be C of not C is B

4 0
3 years ago
Read 2 more answers
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