Which of the following soil has air space and is loosely packed? Sandy soil

Clayey soil

Loamy soil

All of the above

Assume that you are interested in separating short (200-400 bp) dna molecules from a pool of longer molecules in the 10,000-20,000 nucleotide range. you have two recipes for making your polyacrylamide gels: one recipe uses 1.5 percent agarose and would be considered a “hard gel,” while the other uses 0.5 percent agarose and would be considered a loose gel. which gel should you use to separate the short (200-400 bp) dna molecules from a pool of longer molecules in the 10,000-20,000 nucleotide range?

Explain in your own words what caused pangea to separate and why we don't worry about earthquakes in florida.

What is the main storage pool for phosphorus?