PLEASE HELP I WILL GEIVE BRAINLIEST AND 20 POINTS Which are characteristics of scientific questions? Check all that apply.
2 answers:
Answer:
3 & 4
Step-by-step explanation:
Descriptive investigations are not repeatable because they are based only on observations made at a single point in time. The results may vary at a different time. In addition, descriptive investigations do not contain variables that may indicate cause-and-effect relationships.
Answer: A good scientific question has certain characteristics. It should have some answers (real answers), should be testable (i.e. can be tested by someone through an experiment or measurements), leads to a hypothesis that is falsifiable (means it should generate a hypothesis that can be shown to fail).
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Answer:
There are 476 pedal turn in one mile.
Step-by-step explanation:
We are given the following in the question:
Ratio of pedal turns to rear-wheel turns =
Number of wheel turns in one mile = 833
Let x be the number of pedal turns.
Thus, we can write:
Thus, there are 476 pedal turn in one mile.