What has a hump is brown and lives in the north pole

Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.