5. Water, acetic acid (vinegar) and acetone (nail polish remover) all appear as clear,
transparent liquids at room temperature. How could you distinguish water from the
other two substances? Design an investigation to differentiate water from acetic
acid and acetone.

The soviet union beat the us to the first successful launch, with the october 4, 1957, orbiting of sputnik 1, and later beat the us to have the first human in earth orbit, yuri gagarin, on april 12, 1961. the "race" peaked with the july 20, 1969, us landing of the first humans on the moon with apollo 11

Centriole.centrioles are present in animal cells but are usually absent in plant cells.

D. the maximum number of species that can live in an ecosystem.