Answer:
I think the answer to the question is number 2 "make your own non-toxic cleaning products using common kitchen ingredients"
Sugar is made of molecules that are bonded together based on the positively and negatively charged areas. They will slowly dissolve in water. Pebbles are solids. They will sit in water for a long time. Though shale pebbles will break apart or fall apart.
a tick attaches itself to the skin of a dog
Vanadium
V 1s²2s²2p⁶3s²3p⁶4s²3d³
If they didn't, they wouldn't be able to communicate their findings effectively. An international language is especially important for elements because many elements have similar properties (e.g. some of the transition metals).