Answer:
25%
Explanation:
The image is the punnet square. :)
Answer:
D. toxins
Explanation:
<u>Toxins are not microorganisms</u>, in fact they are non-living substances/chemicals which can cause infection in our body. Toxins may be produced by microorganisms but they are themselves not microorganisms. Some of the examples of toxins produced by microorganisms are botulinum toxin A, tetanus toxin A, muscarine etc.
Other options can refer to potentially infectious type of microorganisms. Option A. talks about microbes, among microbes some are pathogenic. Option B. talks about pathogenic, as the name indicates will be infectious for sure.
Option C. talks about nonpathogenic, it may be non pathogenic at a time but later on it can be pathogenic. For example: some vaccines use inactivated microbes which are non pathogenic for generating antibodies in the body but later on in the human body when they get optimum conditions for growth they can turn pathogenic and start infecting our body.
Corn ethanol is produced by means of ethanol fermentation and distillation. Corn ethanol is mainly used as an oxygenate in gasoline to produce a low-level blend. To a lesser extent, it is used as fuel for E85 flex-fuel vehicles. Corn is the main feedstock used for producing ethanol fuel in the United States
Complete question:
A student is working on a lab where they are trying to identify an unknown substance. The student decides to smell the solution by taking a big breath over the test tube. They immediately start to cough and their lungs are burning.
Answer and Explanation:
Many chemicals might be recognized by their smell. Some of them might be inoffensive, some others might cause slight damage and some others might be very harmful to the person that inhales them.
In the exposed example, the solution probably damaged the respiratory tract, causing inflammation and irritation.
There are some issues to take into account to avoid an accident by inhaling a chemical:
<u>Precaution</u>:
- Study the security rules of the laboratory
- Always read the label of the substance
- Ask the teacher or the person in charge, about the correct procedure
- Proceed in the correct way, by driving the smelly vapors with your hand toward your nose. Never breathe directly over the test tube.
In case of accidents by inhaling you should:
<u>Response:</u>
- Take the affected person out of the laboratory
- Look for an airy place where the affected person might breath
- Call an emergency service
- Explain exactly what the affected person did and the chemicals that the person inhaled.
