Answer:
Hydroxide ion OH-
Explanation:
Bases are bitter in taste, slippery in touch and turns red litmus paper to blue. They contains hydroxide ion OH- and when they are dissolved in water, bases produces this ion. The production of hydroxide ion determines that a solution is basic in nature. When base is reacted with acid, in most of the case the resultant product is water as the H+ ion from acid combines to OH- ion of base to form 
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The plant with no fertilizer.
The vena cava pumps blood from the heart to the rest of the body. false
Answer:
They both contain multiple systems, which can be called organs or organelles, to function.
Explanation:
A single cell contains multiple small organs, called organelles, that give it energy and allow it to function as a living creature. Multicellular organisms are larger-scale versions of single-celled organisms, and while each cell has its own organelles, the larger organism has organs (such as the heart and lungs).
