Containers of ice cream are sold by volume, not by weight. some ice cream manufacturers pump air into the ice cream before packaging it. why does this practice make the ice cream more expensive to the consumer? a) air weighs more than ice cream does. b) air weighs less than ice cream does. c) after air is pumped into ice cream, the mixture occupies a greater volume than the ice cream alone did. d) after air is pumped into ice cream, the mixture occupies a smaller volume than the ice cream alone did.

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a. the mitochondria b. the nucleus c. the vacuoles d. the endoplasmic reticulum

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

Balance the following reaction. as2s3 + 9o2 → 2as2o3 + so2