Which of the following actions will stop an induced current in a wire wrapped around a magnet?

a. reducing number of coils in the wire
b. increasing the magnet strength
c. removing the battery from the circuit
d. keeping the magnet stationary

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ

During an experiment, ice and water were placed in a perfectly insulated thermos flask at 0 °c. describe this system when it phase reaches equilibrium.

1.how did scientists discover that all living things are made of cells? 2. how did pasteur’s experiment with the flasks disprove the idea that living things could just appear or come from nonliving things like water and air? 3. why are nutrients needed for living things? describe the difference between living and nonliving things