meaddestinee
25.09.2020 •
Biology
Boris is about to conduct an experiment with a flammable liquid. What should Boris do before he starts the experiment? OA. Mix the flammable liquid with a nonflammable liquid. OB. Keep a bucket of water by the lab table. OC. Check for the presence of any source of flame, spark, or heat. OD Put the flammable liquid in a refrigerator for 30 minutes
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Ответ:
If more dry cells are connected end to end, a light bulb will work longer because there is more energy available.
The variables are
the number of dry cells connected end to end
the duration of the light bulb working