Brainliesttt asap! which families of metals are not so reactive, which allows them to exist by themselves in nature? how do you determine the chemical reactivity for metals using the periodic table?

Compare asexual reproduction to sexual reproduction

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.