The first organisms evolved on earth around 4 billion years ago. the fossil record indicates that the first organisms were which of the following

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.

As kate is moving down the hill, what type of energy does she have? a. sound energy b. electrical energy c. light energy d. mechanical energy

Tay-sachs disease is a human genetic abnormality that results in cells accumulating and becoming clogged with very large, complex, undigested lipids. which cellular organelle must be involved in this condition?