Physics

Physics, 04.11.2019 23:31, vanessa051266

In an experiment, a tomato plant is fertilized everyday with 0.2g of grobig fertilizer. the researcher wants to show the effect of daily fertilizer on plant growth. what type of graph should she use to best demonstrate this daily improvement?
a) pie graph
b) bar graph
c) line graph
d) pictograph

2.susie places 3 beakers in the freezer. the first beaker contains water only, the second contains water and salt, and the third contains a water and sugar solution. susie recorded the temperature and the time at which each mixture froze. which is the most appropriate hypothesis for her experiment?
a) salt affects the freezing point of water.
b) the addition of salt raises the freezing point of water.
c) the addition of a sugar lowers the freezing point of water.
d) the addition of different substances affects the freezing point of water.

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Physics, 29.08.2019 21:20, smp32

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