Which example is a body fossil? shrimp burrow

dinosaur bone

dinosaur footprint

an ornithopod track

What type(s) of intermolecular forces are expected between ch3ch2cooh molecules? dipole forces, induced dipole forces, hydrogen bonding

Chromosome 17 is made of over million base pairs.

Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?