4. In his science fair project, Julio did the following: He took 4 fish tanks and put 10 fish of identical size in each. Fish in tank 1 received 4 hours of light/day, fish in tank 2 received 6 hours of light/day, fish in tank 3 received 8 hours of light/day, and fish in tank 4 received 12 hours of light/day. At the end of 2 months, he measured the size of all fish and compared the fish in tanks 1, 2, and 3 with the fish in tank 4 because fish in tank 4 received the amount of light recommended by his teacher. what is the control?

Which step is not included in the step approach to calculating the greatest common divisor?

Which hormone is used by both males and female?

Astudent completed a lab report. which correctly describes the difference between the "question" and "hypothesis' sections of her report? "question states what she is asking, and "hypothesis" states the result of her experiment "question" states what she is asking, and "hypothesis" states what she thinks the answer to that question is in 'if. then because" format. "question" describes what she is trying to find out, and "hypothesis" states the procedures and methods of data collection. "question" describes what she is trying to find out, and "hypothesis" states any additional information or prior knowledge about the question