Answer:
Explanation:
The materials that are useful are bamboo, plastic, steel, concrete, fabric , textiles, stones, brick, repurposed wood e.t.c.
Materials become useful, when those that uses it use it right and to achieve a specific purposes base on the properties the materials poseses.
The materials that are harmful include asbestos, Mercury containing devices, lead based paints, household hazardous waste, light system, mold, refrigerant containing system.
Materials become harmful when they contain substances or properties that is dangerous or can harm human beings and cause damage to cells.
I think the answer is A
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The independent variable is the seeds.
Answer:
Converting DNA into messages.
Explanation:
Chromosome allow DNA to give instructions to the cell by converting DNA into messages that have a specific code which knew by the cell. DNA contains the instructions needed by an organism for its development, survival and reproduction. In order to carry out these functions, DNA sequences must be converted into messages that the cell decodes and produce proteins according to the instruction of DNA molecules. DNA molecules has all the information and recipe for making proteins that are necessary for fulfilling different functions.
