mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are…

mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?\nby repeating trials during an experiment\nby keeping the results private\nby recording values without units\nby making a single observation

mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?\nby repeating trials during an experiment\nby keeping the results private\nby recording values without units\nby making a single observation

Answer

Brief Explanations:

Repeating trials reduces random errors and increases data reliability in an experiment. Keeping results private, recording values without units, and making a single - observation do not enhance data reliability.

Answer:

by repeating trials during an experiment