Although electricity is needed, the creation and transmission of electrical energy can affect the environment. Which source of electricity negatively impacts our environment the most?
A)
wind
8)
water
static
D
fossil fuels

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures

What is the cause hearing loss in human being

Biology ! the conversion of inorganic carbon to organic carbon by plants during photosynthesis is known as _[blank]_. filtration immigration reabsorption primary production