Isotopes of an element will contain the same number of protons and electrons but will differ in the number of neutrons they contain. In other words,isotopes have the same atomic number because they are the sameelement but have a different atomic mass because they contain a different number of neutrons.
Decomposers are organisms that break down dead material in an ecosystem.
The <u>small intestines</u> perform the majority of nutrient absorption in the human body.