Answer:
50%
Explanation:
You would have to do 15 divided by 30 x 100 to get 50
Percentage Yield = Actual Yield divided by Theoretical Yield
Hope this is right and helpful
The Jaeger reading cards are used to test near vision. It's usually held by a patient at a certain distance from the eye depending on the size being read. The smallest letters one can read is what determines their visual acuity!
A. Organic catalysts are called enzymes.
Explanation:
The true statement of all is that organic catalysts are called enzymes. For example, saliva in the mouth is made up of different enzymes which are secreted in the human body.
- Catalysts reduces the activation energy and makes reaction proceed very fast. They generally increase the rate of chemical reactions.
- Catalysts like temperature affects the rate of chemical reaction. Chemical reactions increases as temperature increases.
- Catalysts in the human body are very useful because they help chemical reactions in the body to proceed at a much faster rate.
Learn more:
Biological catalysts brainly.com/question/8413755
#learnwithbrainly
Answer: b) the number of sources of pollution
Explanation:
Pollution is the introduction of harmful or toxic substances in the environment of a substance.
Point source pollution is the pollution from a single identifiable source. Example of a point source pollution is pollutants from factories and sewage treatment plants.
Non point source pollution is from a number of sources and we may not identify all of the sources.Thus non point pollution is also termed as diffused pollution. Example of a non point source pollution is fertilizers and pesticides from agricultural lands.
.
NaCI
Explanation:
I just worked this out the day before
