Where in the body are nitrogen compounds found?
a. proteins
b. nucleic acids like dna
c. fats
d. both a & b

Much of the general structure and physical properties of the interior of the earth are inferred from: a)deep oil and gas bore holes b)geologic investigations c)analysis of seismic waves d) study of volcanoes

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f