A scientist designs an experiment in which a light source is pointed at a substance and a light detector is placed on the opposite side of the substance.

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

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

Which of the following describes a situation where competition between producers exists