Answer:
the ability to receive help from a supernatural force
Explanation:
It gives visible feedback based on whether the substance being checked is an acid or an alkali
It lowers density thats why its able too float :)
Answer:
Add is wires and lights.
Explanation:
Gas laws include the wire lines the produce temeperature and the lights system.
Answer:
hope you like it
Explanation:
because ouytermost shell contains two electrons
calcium is in group 2 so its valency is two valency is the number of outer shelll electrons it needs to have an stable outer shell . it needs 2 more .
