Which statement best describes how a compound is different from an element? a. a compound contains two or more elements in a fixed proportion. b. a compound has a greater mass and volume than an element. c. a compound has a definite shape, but an element does not. d. a compound is a heterogeneous mixture, but an element is a homogeneous mixture. e. a compound is one of several parts of an element.

A compound is an object made when two or more elements are chemically joined. Water and salt are examples of these compounds. When the elements are combined, the atoms lose their own properties and have different features from the elements they are made of. I hope this help at all...

The correct answer is A. A compound contains two or more elements in a fixed proportion.

interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)