Objects float on water because it has surface tension.
Answer:
Retrograde Motion
Explanation:
Geocentric model of planets was proposed by Ptolemy. It stated that all sun, planets and stars revolve round the earth in circular orbits.
NOTE: Ptolemy: an ancient astronomer, geographer, and mathematician who considered the Earth the center of the universe (the "Ptolemaic system").
The scenario doesn’t show up.
178 of each species
178 protons
178 neutrons
And 178 electrons