Which of the following is an example of an experimental scientific investigation? a- placing test tubes in an ice bath for 15 minutes b- recording the sound of class breaking c- noting the ph of a solution on a digital meter d- noting the color of a solution when heated
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Look at the images of different rocks. which rocks have a fine-grained texture? check all that apply. 1 2 3 4 5
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If there are 350 trout found in 200 square feet of a pond measuring 1000 square feet what is the estimated trout population of the pond? a. 1350 b. 1550 c. 1750 d. 2000
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What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b.diffusion c. endocytosis d. exocytosisc. endocytosis
Answers: 2
Which of the following is an example of an experimental scientific investigation? a- placing test...
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