Which of the following statements is NOT true about practice?

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

Which of these natural resources is non-renewable a.corn b.wind c.geothermal d.natural gas

Organisms are classified as producer or consumers according to the way they ?