Which of the following would a chemist be most likely to study? a. a leaf floating on water c. a leaf being blown by the wind b. a leaf changing color in autumn d. a leaf being eaten by insects

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury

Northern was a learned a fairly cold climate caused by see one from the atlantic ocean, but se was real and tends to be much warmer, sonia look good causes difference. a.cool wins cannot blow across a leg into the south mountains, b.prevent cold air from blowing over into south sea,c.the south is at much higher elevation, so it is closer to the sun, d.suppose early and has a sperience a drastic climate change in the past few years.

Which answer below correctly identifies the type of change and the explanation when magnesium comes into contact with hydrochloric acid