Electricity can travel in a(n) circuit.
electromagnetic
closed
open
short

Which strategy is an example of how companies may upgrade themselves to meet changing customer preferences? a.doing door-to-door sellingb.using billboards to advertise the productsc. making online shopping services availabled.giving discounts on products

The chemical form of energy that is useable by the cell to do work

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.