Which of the following ions has the largest radius? Br- S2- B3+ Mg2+ Li+

Jessica is traveling from miami, florida, to chicago, illinois. using the map, tell one way the land will change during the second half of her trip.

Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?