Primary and secondary sources.
An analogy can be persuasive, or it can help people to understand your argument, but it isnt EVIDENCE.
set contains two kinds a negative and positive set
theasurs and regular
choice
Comic and tragic.
Primary and secondary sources.
Linear and rotational
Federal and state
The two basic kinds of cells are prokaryotic (bacteria) and eukaryotic cells, a eukaryotic cell has a nucleus and organelles, but prokaryotic don't have a nucleus and have ribosomes instead of organelles.
Two basic kinds of lenses are converging lenses, which focus light rays to a point, and diverging lenses, which spread out light rays. Converging lenses are thick in the center and thin at the edges, while diverging lenses are thin in the center and thick at the edges.
Tyranasaurus Rex and Dinosaurus.
Ribonucleic acid and deoxyribonucleic acid.
The two basic kinds of fats are saturated fats and unsaturated fats.The reason for these names involves a little bit of chemistry but I will leave this here and hope that's all you wanted.Hope this helps!
There are two basics kinds of bit, snaffle and curb.
There are many kinds of sentences. Maybe two kinds of basic sentences are positive and negative.positive - I like ice creamnegatives I don't like ice cream.
ribonucleic acids RNA and deoxyribonucleic acid DNA
The kinds of evidence that indicates how closely species are related are evidence of DNA and protein structure.