PLEASE HELP Which of the answers below would be a correct chemical symbol of an element? HG
hg
Hg
hG

Explain why scientists use shared characteristics to make cladograms.

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.