A double replacement reaction has two compounds as reactants.
True or false

yes, A double replacement reaction has two compounds as reactants.

hence it's true

coral.

explanation:

coral. many marine organisms that produce calcium carbonate shells or skeletons are negatively impacted by increasing co2 levels and decreasing ph in seawater.

atomic number of carbon is 6

electronic configuration of carbon is 1s²2s²2p²

orbital diagram of c is as shown here in the image.