What does “circulate” mean in this passage? Sentence : “When certain mosquitoes bite someone, marlaria enters that persons blood, allowing the disease to circulate.”

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

If i add water to oil what will happen

Give the set of reactants (including an alkyl halide and a nucleophile) that could be used to synthesize the following ether: draw the molecules on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars, including charges where needed. ch3ch2och2ch2chch3 | ch3