Mindy needs the apparatus to be able to detect a change in area as small as 3.50 cm2 occuring over a time period of 1.50 s. if the minimum emf that can be reliably detected is 2.00 × 10 − 4 v, what is the magnitude of the minimum external magnetic field that would be needed from the solenoid?

Natural forces that can alter ecosystems include seasons and climate changes. t or f

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

How do the kidneys affect homeostasis