Glycerol, A part of glycerophospholipid, is highly attracted to water and often used and skin care products such as lotion and cosmetics. Explain its attraction to water and describe the interaction of glycerol with water

What are tissues? a groups of tissues that work together b basic units of structure and function c groups of cells that perform the same function d multiple organs that perform a major function

What percentage of light hits earth's surface directly?

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