B .pure water it’s made up of oxygen and hydrogen “H2O”
Answer: Catalyst
Explanation: it speeds it up lol but basically the catalyst helps speed up the chemical reaction by reducing the activation energy or changing the reaction machenism/
Second orbital can hold 8 electrons
Answer:
Explanation:
Communicating junctions or gap juctions consider direct substance correspondence between contiguous cell cytoplasm through dispersion without contact with the extracellular liquid.