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masha68 [24]
2 years ago
5

What are ways that we can respond to eliminate an invasive species? Choose all that apply.

Chemistry
1 answer:
Dafna1 [17]2 years ago
4 0
<span>B. chemical control by use of chemicals

</span><span>D.physical control by physically removing the species 
</span><span>
A. biological control by using other living organisms to rid of invasive species 
</span>
Taken the quiz, and got them all correctly answered!
Have a good day. <span />
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Which is the best metal to use in an alloy to increase its electrical conductivity?
denpristay [2]

Answer:

Its Silver!

Explanation:

I took a quiz, and i got it right!

7 0
3 years ago
Write a chemical equation of Dr. Jeff’s demonstration using a battery to light steel wool on fire. The battery is used to allow
Elis [28]

Answer:

2Fe(s) + 3O2(g) --------> 2FeO3(s)

Explanation:

According to the question, a  battery was used  to light the steel wool by bringing the terminals very close together. When  the battery came into contact with the steel wool, current was sent out through the thin wire.  This caused the iron to heat up quite well.

Iron reacts with oxygen under these conditions as follows;

2Fe(s) + 3O2(g) --------> 2FeO3(s)

This is the chemical reaction that occurs when the steel wool is set on fire.

6 0
2 years ago
In this model of a molecule of ammonia, nh3, how many covalent bonds are represented? ammonia
motikmotik
I don't know but I would pick b.2.covalent bonds
6 0
3 years ago
Dalton's law of partial pressures states that the total pressure exerted by a mixture of gases is the sum of the pressures exert
Damm [24]

Answer: The given statement is true.

Explanation:

According to the Dalton's law, total pressure of a mixture of gases that do not react with each other is equal to the partial pressure exerted by each gas.

The relationship is as follows.

          p_{total} = \sum_{i=1}^{n} p_{i}

or,        p_{total} = p_{1} + p_{2} + p_{3} + p_{4} + ......... + p_{n}

where,  p_{1}, p_{2}, p_{3} ....... = partial pressure of individual gases present in the mixture

Also, relation between partial pressure and mole fraction is as follows.

                 p_{i} = p_{total} \times x_{i}

where,      x_{i} = mole fraction

Thus, we can conclude that the statement Dalton's law of partial pressures states that the total pressure exerted by a mixture of gases is the sum of the pressures exerted independently by each gas in the mixture, is true.              

5 0
3 years ago
What are two examples of homogeneous<br>​
Andrei [34K]

Answer:

two examples are blood and soapy water.

Explanation:

7 0
2 years ago
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