Question

question 7
which of these would be a valid hypothesis?
○ a targeted conservation effort can increase the animal species in an environment.
○ all microbes are bad.
○ humans are controlled by forces beyond our understanding.
○ human history is determined by a series of supernatural events.
○ prayer can protect you from germs.

Explanation:

A valid hypothesis is testable and falsifiable. "A targeted conservation effort can increase the animal species in an environment" can be tested by observing the number of animal species before and after the conservation effort. "All microbes are bad" is too broad and not all microbes are harmful (e.g., some are beneficial in digestion). "Humans are controlled by forces beyond our understanding" and "Human history is determined by a series of supernatural events" involve non - testable supernatural elements. "Prayer can protect you from germs" is difficult to scientifically test in a controlled way as it involves a non - physical, non - measurable (in a scientific experiment sense) factor (prayer) against a physical entity (germs).

Answer:

A. A targeted conservation effort can increase the animal species in an environment.