Taken parallel to the base, which of the following solids has a cross section that is not a rectangle? a. rectangular pyramid b. square pyramid c. triangular pyramid d. rectangular prism

Natural forces that can alter ecosystems include seasons and climate changes. t or f

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?