Explain what states are changing in these examples (a) condensation: (b) evaporation:

Drug abuse will not lead to physical and psychological dependence. true or false ?

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by

Use the measurements in the table to determine which unidentified metal has the highest density. metal volume mass a 10.5 cm3 122 g b 14.2 cm3 132 g c 16.1 cm3 115 g d 12.7 cm3 126 g