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lina2011 [118]
3 years ago
6

Cotton is one crop that is often damaged by a pest insect species. A research program is planned to genetically modify the plant

s to keep insect damage to a minimum. The aim of the research is to make the plants release a protein that can kill the insects.
Why might people be opposed to this research program?

Question 6 options:

The insect species will soon spread to other areas.


The modified plants will cause a waste of natural resources.


The insects may be the natural food of several species of birds.


The sales of pesticides will decrease where the modified plants are grown.
Chemistry
1 answer:
wolverine [178]3 years ago
3 0

Answer:The insects are food for birds

Explanation:if the insects die the birds die and so on and so forth since everything is in a perfect balance that can easily be disreupted hope this helps god bless

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Mamont248 [21]

Answer:

1335.12 mL of H2O

Explanation:

To calculate the mililiters of water that the solution needs, it is necessary to know that the volume of the solution is equal to the volume of the solute (NaOH) plus the volume of the solvent (H2O).

From the molarity formula we can first calculate the volume of the solution:

M=\frac{solute moles}{solution volume}

Solutionvolume=\frac{solute moles}{M} =\frac{5mol}{3.5\frac{mol}{L} } =1.429L

The volume of the solution as we said previously is:

Solution volume = solute volume + solvent volume

To determine the volume of the solute we first obtain the grams of NaOH through the molecular weight formula:

MW=\frac{mass}{mol}

Mass=MW*mol=39.997\frac{g}{mol} *5mol=199.985g

Now with the density of NaOH the milliliters of solute can be determined:

d=\frac{mass}{volume}

Volume=\frac{mass}{d} =\frac{199.985g}{2.13\frac{g}{mL} } =93.88mL of NaOH

Having the volume of the solution and the volume of the solute, the volume of the solvent H2O can be calculated:

Solvent volume = solution volume - solute volume

Solvent volume = 1429 mL -  93.88 mL = 1335.12 mL of H2O

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Answer:

The answer is: Hydrolysis

Explanation:

Hydrolysis is the chemical method in which water molecule is added to a molecule, which leads to the cleavage of one or more chemical bonds in the molecule. In this reaction, the water molecule acts as a nucleophile and breaks down the large molecules like polymers into smaller molecules such as monomers. Hydrolysis reaction includes fragmentation, elimination substitution reactions.                    

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A student measures the mass of a 10m^3 block of gold to be 500 kg what is the density of the gold
Anuta_ua [19.1K]

Answer:

d = 50 kg/m³

Explanation:

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\frac{500}{10} = 50

d = 50 kg/m³

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