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DNA and Vaccines work by injecting a small dosage of the virus so your immune system already knows how to react.
Answer:
<h2>The cells in a crosstab show summary data for the corresponding row and column, based on a measure and a summary function. The simplest crosstab is a frequency matrix, such as the following example, which shows the count of pets (measure) by gender (column) and species (row). Example of a simple crosstab</h2>
Explanation:
Answer:
Matter can change into different forms of energy, but it cannot be created or destroyed. Matter is 'conserved,' according to the Laws of Conservation. Even when matter is transformed, it contains the same amount; none is lost.
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Answer: PLEASE MARK ME AS BRAINLIST
Explanation:
The cell was first discovered and named by Robert Hooke in 1665. He remarked that it looked strangely similar to cellula or small rooms which monks inhabited, thus deriving the name. However what Hooke actually saw was the dead cell walls of plant cells (cork) as it appeared under the microscope.
the German botanist Schleiden proposed that all plants are made up of plant cells. Thank you.
