C. less dense as it gets colder and less salty
I think the best medium is agar. It is a jelly-like substance that is obtained from algae, and is used to culture small organisms such as microorganisms and bacteria.
Hope this helps. :)
<span>Coconut milk is a liquid endosperm, and has been found to be a very significant enhancer of growth and proliferation of plant stem cell tissues in the culture. Cytokinins present in the cocnut milk are attributed to this effect. Cytokinins stimulate shoot initiation, root growth, cell division, and leaf senescence.</span><span />
