Answer:
The benthic zone is the ecological region at the lowest level of a body of water such as an ocean, lake, or stream, including the sediment surface and some sub-surface layers.
Explanation:
Answer:
because the water in a bottle has been purified
Explanation:
Answer:
Stoichiometric Values in a Chemical Reaction
Explanation:
The coefficients next to the reactants and products are the stoichiometric values. They represent the number of moles of each compound that needs to react so that the reaction can go to completion.