<span>The correct answer for this question is A - Scientists ask testable questions and devise ways in which they can answer those questions through experimentation or observation. The rest of the possible answers for this question only describe some scientists.</span>
Answer: A
Explanation: the change in seasons is caused by Earths axis tilt and revolution and position near the sun
Answer:In ecology, a niche is the match of a species to a specific environmental condition. It describes how an organism or population responds to the distribution of resources and competitors and how it in turn alters those same factors.
Explanation:
Answer:
stethoscope is the instrument used to measure heart beat
