xmanavongrove55
16.10.2020 •
Biology
Which of the following are probably sources of error in a scientific experiment
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Ответ:
where are the answer choices to this ?
Explanation:
Ответ:
Step-by-step explanation:
Notice that the heron and the pelican are above sea level, that means they are in positive territory.
On the other hand, the trout is below the sea level, so it's in negative territory.
The difference in height between the heron and the pelican is
Notice that this difference should be positive, because we just want to know the difference between heights.
On the other hand, the difference between the pelican and the trout is
Because the difference is a positive number.
Therefore, the right answers are B and E.