What type of reaction is
P4+ 3O2 → 2 P2O3
single-replacement
double replacement
synthesis
decomposition

If you want to create an electrical current, which situation would produce a solution capable of this

Calcium chloride +gold(1) oxide—>

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town