What statement best describes conditions on early Earth? Hot, with volcanic activity and electrical storms
Dry land covered with volcanic dust
Full of vegetation (plants) and animals until humans changed the land
Dark and dusty with abundant (a lot) water

In the water cycle , when does water undergo a chemical change

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.

The pressurized plants and fungi mentioned in the video have some surprising similarities. what differences would you expect them to have?