Cuál de las siguientes situaciones NO corresponde a un cambio físico * 5 puntos El aroma de un perfume que se esparce por toda la habitación al abrir el frasco que lo contiene El quemar una hoja de papel El derretimiento de la parafina de una vela La adición de azúcar al agua, el azúcar se disuelve en ella

Which feature do highland climates have that lower elevation areas do not?

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?