How do I do the flask part and the containing agar nutrients part on 6th grade Science 2.04 Cells and the structure of life? I don't have flasks nor specimens so I need help on it.

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

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.