Experiment 1: a group of students tested to see if the acidity of water affected pea plant growth. the students followed a logical method and performed their experiment once, using control and experimental groups. their results supported their hypothesis.
experiment 2: a group of students tested to see if bacteria growth in water was affected by acidity. the students used control and experimental groups. they repeated their experiment several times and found the results were the same.
which experiment most likely has greater reliability?
a. number 1 because it follows a logical method
b. number 2 because the experiment was repeated
c. number 2 because the experiment was repeated and the results were always the same
d. number 1 because it has control groups
Answers: 1
Other questions on the subject: Biology
Biology, 22.06.2019 05:20, kay3940
The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis
Answers: 3
Biology, 22.06.2019 08:00, lmorace
Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a. the offspring are more likely to have freckles. b. the offspring are more likely to have no freckles. c. the likelihood of the offspring having freckles and not having freckles is the same. d. the likelihood of the offspring having freckles and not having freckles cannot be determined.
Answers: 1
Biology, 22.06.2019 08:00, bonnerjennifer
During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are
Answers: 2
Do you know the correct answer?
Experiment 1: a group of students tested to see if the acidity of water affected pea plant growth....
Questions in other subjects:
Spanish, 29.07.2019 18:30
