What happens if the spots are made too large when preparing a TLC plate for development? 1. The spots will be difficult to see after development. 2. The spots will saturate the plate, show tailing, and/or diffuse into one another. 3. The spot material will dissolve off the plate. 4. Additional spots will appear on the plate, interfering with analysis.

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

Is laundry detergent an acid or a base?

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone, due to its high light availability and warm water temperature