Answer:
Incubators.
Explanation:
We can manufacture large amount of Vaccines by growing the attenuated pathogens in the machine having control and suitable environment which is also called incubator. In these machines, temperature will be regulated that provides optimum temperature which is necessary for the high growth of microorganisms. So these pathogens produced in large quantity which leads to manufacturing of large amount of Vaccines.
Answer:
Xylem transports and stores water and water-soluble nutrients in vascular plants.
Phloem is responsible for transporting sugars, proteins, and other organic molecules in plants.
Vascular plants are able to grow higher than other plants due to the rigidity of xylem cells, which support the plant.
Explanation:
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A psychologist would typically deal with the emotion problems of a person who don't suffer from serious disorders. A psychiatrist is a medical practitioner specializing in the diagnosis and treatment of someone who has a mental illness. They both help out when someone is desperately in need of it
Nutrient pollution is the situation when due to the excess nutrient levels, excessive amounts of algae grow - so the correct answer is c. excess fertilizer use.
Pouring motor oil down the drain also results in pollution, but in other kind of solution - not nutrient solution.
Answer:
Plant cells have cell walls while animal cell do not.
Explanation: