Chemistry, 16.10.2020 23:01 trizthagod49
Evans wants to determine the effect of color on the temperature of the air inside of different colored boxes. He places white, black, and red boxes of the same size and material in the sunlight and
a thermometer is placed inside each box. He observes and records the temperatures in the boxes at specific times throughout the day. What is the test variable independent variable in this
investigation?
A. repealed trials
B. size of the boxes
C. color of the boxes
D. recorded temperatures
Answers: 1
Chemistry, 23.06.2019 04:31
One student said that the investigation was not valid (a fair test). write a plan for the investigation that includes improvements to the method and apparatus
Answers: 1
Chemistry, 23.06.2019 16:30
Boron has an average atomic mass of 10.81. one isotope of boron has a mass of 10.012938 and a relative abundance of 19.80 percent . the other isotope has a relative abundance of 80.20 percent what is the mass of that isotope? report two decimal places
Answers: 1
Evans wants to determine the effect of color on the temperature of the air inside of different color...
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