Answer:
The vortex created is a similar form of kinetic force to stirring, but minus a component that protrudes into the sample container. A vortex is the preferred choice for a host of microbiology and life science applications with sensitive samples or high throughput operations. A typical stirrer faces several limitations – for instance, it can only mix a single sample container at a time.
Answer:
Vortex instrument is used to suspend cells that is, it is a simple device used to mix small vials of liquid in laboratories.
Upward direction.
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Answer : 2 kg
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B) These advancements do not contribute to the greenhouse effect.
C) These advancements use cleaner fuels thereby reducing pollution.
D) These advancements are very expensive and not available to everyone.
Answer:
The correct option is D) These advancements are very expensive and not available to everyone.
Explanation:
Consider the statement A. It states that the new technological advances uses renewable sources of energy. This is a positive aspect as the energy can be renewed and replaced. The corn from which this energy is derived can be produced over and over again. Hence, this is a positive aspect, not a negative aspect.
Consider statement B. This statement tells us that the new technological advances will not result in warming the Earth's atmosphere by greenhouse effect. Hence, it is a positive aspect.
Consider statement C. It states that the new technological advances will lead to lesser pollution. Hence, it is a positive aspect.
Now, consider statement D. It is a drawback because technological advances are too expensive to be used by many people. Hence, it is a negative aspect.
Answer:
D) These advancements are very expensive and not available to everyone.
Explanation: