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Ramon Anderson ∙
wind, and sometimes they have to use electricity to power the machines they use to make the windmills.
A theory is the result of many, many tests and observations.
apex: because we will not run out of them!
coal
production of waste like greenhouse gases
Oil
A pH meter
The prediction is useful because it explains what observations will be made if a hypothesis is true
APEX Bio Sem 1
electronic storage of files. apex
minerals and salts (apex)
crops that grow more reliably
A citric acid is added to the solution but the pH of the solution does not change