Which forms the organic portion of soil?
a) sand
b) clay
c) microorganisms
d) dead plants

can't decide between c or d!

1) each morning , dew glistens on the grass. 2) the sun yawns , scanning the horizon for companion clouds. 3) perched high ancient oak trees, startlings and sparrows announce a new day.

Read the sample student claim and the reasons listed for making this claim. claim: although many people argue that medical testing on animals is a violation of animal rights, the benefits it yields for society far outweigh any argument that can be made. reason #1: animal research has yielded both pain-relieving and life-saving drugs for humans. reason #2: laws prohibit scientists from using animal-based research in cases where non-animal testing would produce equally clear and valid results.

Which excerpt from "hills like white elephants" provides the most details about the main characters' lives outside the railway station? click here to read an excerpt.