The virus becoms infection, and they create an epidemic that will last for a long time. This was the case back in the early days.
Answer: Tissue
A tissue is the level of organization that is shown in the image. A tissue is a group of cell, found in plants, animals and humans. The cells in the tissue are similar in structure and function. The study of tissues in the living organisms is called as histology. An organ is formed when multiple tissues are grouped togethe
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Answer: by using artificial light (grow light) in place of sunlight
Explanation: Plants generally needs sunlight to grow and survive through a process known as photosynthesis, this is when Plants and other organism uses sunlight to convert water, carbon dioxide and minerals into energy rich compound (starch) while oxygen is been released into the environment.
However in the absence of sunlight, artificial light know as grow light can be used, these lights are design in such a way that it emits lights of wavelengths that are appropriate for photosynthesis. The grow light replaces the sun as a source of photons in the process of photosynthesis.