If a metal changes color overtime from exposure to air what has likely occurred? ?
• a revers...
Biology, 11.10.2019 00:00 TVASALLO31
If a metal changes color overtime from exposure to air what has likely occurred? ?
• a reversible change
• a chemical change
• a physical change
• a change of state
Answers: 3
Biology, 21.06.2019 23:00
Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?
Answers: 3
Biology, 22.06.2019 02:30
Drag each tile to the correct box. arrange the phases of mitosis in the correct order. 1 (condensation of chromosomes) 2 (separation of chromosomes) 3 (formation of spindle fibers) 4 (alignment of chromosomes in the center of the cell) 5 (pinching of the cell membrane)
Answers: 2
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A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?
Answers: 2
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