Which of the following statements describes the formation of an alluvial fan?
A. Runoff forms grooves in the soil.
B. A stream flows into a larger river.
C. Sediment is deposited as water rushes out
of a mountain valley.
D. Sediment blocks a meander from the flow
of a river.


Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.

9. the history of life on earth is recorded in