Countries have mixed economies because <span>a country needs the advantages of a free market, capitalistic economy to stimulate jobs and business, but also a socialistic net to help out the less fortunate, sick and poor so you don't have people dying in the streets from starvation while we pay farmers not to grow crops. </span>
When a class is through using a culture, it should be deposited on the cleanup cart rather than being poured down the sink drain because doing so runs the danger of contaminating and blocking the sink and necessitating proper disposal of the contamination, which could contaminate the water supply.
<h3>Which of the following actions is necessary if a microbial culture is spilled?</h3>
After telling the instructor that you spilled or dropped a culture, you should wipe the area down with a paper towel and use disinfectant. Clean up the mess with new paper towels after waiting fifteen minutes. After using the restroom, don't forget to wash your hands completely and dispose of the paper towels. Take the proper steps to dispose of any shattered glass.
<h3>Why did you need to use ethanol to clean the work area?</h3>
To maintain an aseptic/sterile environment, 70% ethanol is frequently used to clean surfaces that have been contaminated with microorganisms. Because 70% ethanol will negatively impact bacteria's cell walls and their ability to grow and multiply. Osmotic pressure will be produced when ethanol and water are combined, which is another factor.
Learn more about Osmotic pressure: brainly.com/question/15501096
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Answer:
d). they base their conclusions on models that make different assumptions.
Explanation:
Economist are persons who studies economics and the past historical trends and then make them to forecast the future trends. Basically an economists analyzes the issues including consumer demand or sales to help an organization maximize the profits.
When an economist is given two different government policies and is ask to choose between them, they tend to disagree because economist generally make their conclusions on the basis of their models which end up in having different assumptions.
Models help the economist to predict and explain the economic behavior in the real world.
Hence the answer is (d)
The Id makes up the unconscious part of our brain. The Id is responsible for our need to satisfy basic needs, urges, and desires. The Id wants immediate gratification for these needs and operates on the Pleasure Principle (if it feels good, then do it).
Answer:
Speed of sound wave v=νλ=2000×0.35=700 m/s
Distance d=1.5 km=1500 m
Time t=vd=7001500≈2 s
