Chemistry, 28.07.2019 17:10 Loveraeee17
Agroup of scientists are studying the effects of different fertilizers on the growth of pea plants. they began their study with 10 pea plants. they gave each plant a different type of fertilizer and tracked their growth over a period of 2 months. the results of this experiment weren’t considered valid by other scientists because there was no control group. which of the following represents an appropriate control group for this experiment? a. a group of plants that’s subjected to two fertilizers b. a group of plants that’s subjected to one fertilizer c. a group of plants that’s not subjected to any fertilizer d. a group of plants that’s subjected to all types of fertilizers
Answers: 2
Chemistry, 22.06.2019 11:30
Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?
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Chemistry, 22.06.2019 15:10
Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?
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Chemistry, 22.06.2019 23:10
Using the periodic table, complete the following. element: hydrogen symbol: hâ‚‚ molecular weight: g mass of one mole: g/mol
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Agroup of scientists are studying the effects of different fertilizers on the growth of pea plants....
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