Boiling water is an example of physical change. true or false

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

(science)study the following ocean currents map. an ocean currents map is shown. on the map the locations for san diego, california and savannah, georgia are marked. there is a looping current from the north past san diego and a looping current from the south near savannah which statement is most likely correct about the average temperatures in san diego, california as compared to savannah, georgia? it is higher in savannah because of the cool ocean currents from the south. it is higher in savannah because of the warm ocean currents from the north. it is lower in san diego because of the warm ocean currents from the south. it is lower in san diego because of the cool ocean currents from the north.

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?