Answer:
Landscape fabric, weed barrier and weed barrier fabric are names for the same product. It is a black mesh type of plastic that is used extensively in landscaping to keep weeds out of your garden.
Answer:
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Explanation:
DNA sequence can be altered by the process called as mutation. Mutation of DNA sequence can have a positive or negative effect on an organism and it entirely depends on the point and type of mutation that has occurred on the DNA sequences.
Mutations can be point mutation where single nucleotide base gets altered or deletion where a base pair gets deleted from the DNA sequences and many more. Mutation has driven the evolution of the organism.
The answer is B. Vaccines. This option is definitely an odd one out.
Inflammation usually happens near the damaged tissue. The cells in damaged area start releasing certain chemicals like histamine which further causes the blood vessels leak fluid near the tissue resulting in swelling. WBCs such as phagocytes are also attracted towards the damaged tissue to phagocytose the foreign microbes. Some chemicals released during this process are pyrogens which can cause fever.
