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3 years ago

The curve below shows the percentage of population of aquatic species that die in response to doses of pollutant A:

1 answer:

8 0

Based on the trend produced by the dose - response graph, it would be best to evacuate the residents in other to prevent the increasing percentage of deaths due to the rising level of pollutant A.

The curve shows that the pollutant level in mg/kg of pollutant A is still increasing, hence, groundwater monitoring alone won't be the best decision to make.

Since the pollutant level is still increasing, then the spill level still need effective monitoring.

Evacuation of residents seems to be the best decision that should be taken based on the information interpreted on the graph.

Therefore, Evacuating residents to prevent rising death percentage is required as the pollutant level is yet to subside.

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Solve the last question

shusha [124]

The equation of the last question which is 3CO2 + 4H2O has a total of 21 atoms with the following number of atoms of each element:

C= 3

C= 3H = 8

C= 3H = 8O = 10.

<h3>What is a chemical formula?</h3>

A chemical formula is defined as the expression that is used to show the chemical symbol of and element in a chemical compound and the number of atoms of those elements.

There are three main type of formula that include the following:

Empirical formula : This is the type of chemical formula that shows the simplest whole-number ratio of atoms in a compound.

Molecular formula: This is the type of chemical formula that shows the number of each type of atom in a molecule.

Structural formula: This is the type of chemical formula that shows how this atoms of each element are bonded together.

The given chemical formula above is a molecular formula that contains the following number of atoms per elements:

C= 3

C= 3H = 8

C= 3H = 8O = 10. Which is a total of 21 ( green)

Learn more about chemical formula here:

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1 year ago

An model leans off a bridge railing to take a picture and accidentally drops their phone. The phone's mass is 0.115 kg and the b

Elanso [62]

Answer:

Explanation:

according to einstein's formulae E=mc2 1kg of mass is equivalent to (9joules when rounded off )

in this situation we ignore the bridge height and work hand in hand with the relativity and force

so...if you do the conversion you will find the suitable answer which is 16.9J

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3 years ago

Question 6 (2 points)

LenKa [72]

Answer:

A. increase the speed

Explanation:

For you to be able to shorten the time it takes for the care to get to its destination, you must increase the speed because if the distance is the same that means you have to increase your speed.

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3 years ago

Why are peer reviews important

Gre4nikov [31]

Answer: So they can find your mistakes that you made you skipped over

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What is the difference between unicellular and multicellular organisms?

bija089 [108]

Multicellular organisms<span> can be much larger and more complex. This is because the cells of the </span>organism<span> have specialised into many different types of cells such as nerve cells, blood cells, muscle cells all performing different functions.

</span><span>A unicellular organism, also known as a single-celled organism, is an organism that consists of only one cell, unlike a multicellular organism that consists of more than one cell.
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3 years ago