Question 3 of 5 Which research question is most effective? O A. When was the middle school in our city built? O B. In what environment do people of all ages learn best? O C. Should our city build a new middle school? O D. How old are middle schools across the country SUBMIT

the answer is: metamorphic rocks often show the presence of fossils, also a

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kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation: