How does pollution on land get into our river and ocean basins?

(Choose only one answer)

Minerals required by the body in moderate amounts include all but which of the following?

Cells fall into two broad categories depending on weather they

Why is atp necessary for active transport? why is atp necessary for active transport? atp provides energy to transfer material against its concentration gradient. atp is a constituent of the electrochemical gradient.

What happens at the end of the transcription process? A) DNA produces another copy of itself, also called dDNA. B) RNA is copied to form messenger RNA, also called mRNA. C) DNA produces messenger RNA, also called mRNA.

Which of the following is fact based science rather than a part of a personal belief system

What is the set of alleles that an individual possesses? A. A gene B. A genotype C. A genome D. A genus

The four major components of the earth's crust are:

Which does NOT describe all three kingdoms of Ghana, Mali, and Songhai

Which of the following examples describes an increase in potential energy? A: a bicycle going down a hill. B: a basketball falling through a net. C: a roller coaster moving down the track D: a paint can being carried up a ladder

A repeated or prolonged exposure that may bring it about slowly develop symptoms