Describe the process used to find the volume of a rectangular solid.

The number at the end of an isotope’s name is the number.

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.

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse