Biology, 21.10.2020 02:01 soupsah8166
Josiah uses a pencil called Brand A. He has pencil smears on his paper every time he completes an assignment and he hates this! Caleb is using a pencil called Brand B. Josiah notices Caleb never has smears on his paper. Josiah wonders if it's the brand of pencil that's keeping Caleb from getting smears on his paper. He decides to borrow Caleb's pencil and test the brand against his to find out.
Hypothesis:
What is another variable that Josiah could test in this situation as a 2nd experiment?
Answers: 1
Biology, 21.06.2019 21:10
Zoe decided to measure the hand length of each of her classmates. first she marked a line across each student's wrist and lined up a ruler from this mark to the top of the middle finger to measure the length. then she recorded the measurements in the table below. marla did this the same way for each classmate, and then zoe used this ruler to measure each straight line and record the data below. this data is invalid. what is the most likely reason why it is invalid? the ruler is marked in centimeters, but zoe recorded data in inches. the range of lengths is too wide, so zoe must have misread the ruler. marla’s complicated measuring procedure was overly confusing. marla could have been inconsistent while drawing outlines of fingers.
Answers: 3
Biology, 22.06.2019 12:00
Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.
Answers: 1
Biology, 22.06.2019 15:40
The cell membrane controls what enters and leaves the cell. which of the structures in the diagram below is the cell membrane? — f оооо
Answers: 1
Josiah uses a pencil called Brand A. He has pencil smears on his paper every time he completes an as...
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