Which one of these continents lie completely in the southern hemispherea. north americab. asiac. south america d. australia

How long does it take neptune to orbit the sun?

What causes heat transfer in fluids

Why did the belgian parliament pass laws to decentralize its government? a. to increase trade with neighboring luxembourg b. to decrease the political power enjoyed by the flemish c. to enable belgium to join the european union d. to reduce tensions between belgium's two main ethnic groups