A scientist is using a microscope to study the image below. Which kind of plant could the scientist be observing?

1. Liverwort
2. Club moss
3. Moss
4. Hornwort

Which best describes a benefit of using dna technology in medicine? a) medicine can be produced in mass quantities. b) medicine can be distributed at a reduced cost. c) medicines have fewer side effects. d) medicines are resistant to antibiotics.

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs

Match each symbol with its description.