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zepelin [54]
3 years ago
9

Which causes genetic variations and can result in different alleles? O predation rate O random mutations O competition o environ

mental changes
​
Chemistry
2 answers:
frosja888 [35]3 years ago
6 0

Answer:

BBBBBBBBB

Explanation:

alekssr [168]3 years ago
3 0

Answer:

B

Explanation:

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Sodium (Na) has 11 protons and 12 neutrons. What is its isotope notation?
DedPeter [7]

Answer:

Na ²³

ndnxnxnxnxnxnxnxnxn

7 0
3 years ago
Nitrogen dioxide decomposes to nitric oxide and oxygen via the reaction: 2NO2 → 2NO + O2 In a particular experiment at 300 °C, [
Setler [38]

Answer:

rate=-1.75x10^{-5}\frac{M}{s}

Explanation:

Hello,

In this case, for the given information, we can compute the rate of disappearance of NO₂ by using the following rate relationship:

rate=\frac{1}{2}*\frac{C_f-C_0}{t_f-t_0}

Whereas it is multiplied by the the inverse of the stoichiometric coefficient of NO₂ in the reaction that is 2. Moreover, the subscript <em>f</em> is referred to the final condition and the subscript <em>0</em> to the initial condition, thus, we obtain:

rate=\frac{1}{2}*\frac{0.00650M-0.0100M}{100s-0s}\\\\rate=-1.75x10^{-5}\frac{M}{s}

Clearly, it turns out negative since the concentration is diminishing due to its consumption.

Regards.

3 0
3 years ago
The study of Environmental Science includes which of the following?
stepan [7]

Answer:

Hi, There! the Correct Answer is below!

C.)interactions between humans and living and non-living things in the environment

Explanation:

Environmental scientists study subjects like the understanding of earth processes, evaluating alternative energy systems, pollution control and mitigation, natural resource management, and the effects of global climate change. ... Environmental scientists bring a systems approach to the analysis of environmental problems.

____________________________________________________________

Have a wonderful Day :)

~Darkspirit~

3 0
3 years ago
Read 2 more answers
At a room temperature, which of the following will evaporate first, a drop of water or a drop of ethanol
Angelina_Jolie [31]

Ethanol will evaporate first because it is more volatile or has a lower boiling point than water.

5 0
3 years ago
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HELP!!!!!!PLZ!!!!!ASAP!!!!!
AfilCa [17]
It is an open series circuit and this is why:
 
its obvious its a series circuit because all the symbols are in a straight rectangle. 
its an open circuit because an open circuit has something that doesn't allow the electrons to flow all the way. and the thing blocking the electrons it the switch which is open, (off).

Hope this helped!! sorry its late!!
8 0
3 years ago
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