Which of the following is a major source of biomass fuel in developing countries?
a. wood
b. leaves
c. corn
d. soybeans

Differences between compact bone and cartilage

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.

Diagram of the evolution of land plants?