subject
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?

ansver
Answers: 1

Another question on Biology

question
Biology, 21.06.2019 23:30
What is the importantence of the carbon and nitretan cycles in the environment
Answers: 1
question
Biology, 22.06.2019 06:30
Is there any solid scientific evidence that humans have been cloned?
Answers: 1
question
Biology, 22.06.2019 10:40
Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.
Answers: 2
question
Biology, 22.06.2019 15:30
Make a claim about the factors that cause inherited genetic variations within populations. also make a claim about the effects of mutations.
Answers: 3
You know the right answer?
Josiah uses a pencil called Brand A. He has pencil smears on his paper every time he completes an as...
Questions
question
Mathematics, 09.07.2021 18:50
question
Biology, 09.07.2021 18:50
question
World Languages, 09.07.2021 18:50
question
Mathematics, 09.07.2021 18:50
question
Spanish, 09.07.2021 18:50
question
Mathematics, 09.07.2021 18:50