Which organisms are the best example of producers in a food web? A. zooplankton B. krill C. killer whales D. marine phytoplankton

97.0 mg sample of Red 40 dye was dissolved and diluted to a final volume of 1.50 L with deionized water. What is the concentration of the Red 40 dye solution in ppm?

What is the empirical formula of a compound that has three times as many hydrogen atoms as carbon atoms, but only half as many oxygen atoms as carbon atoms atoms?

In a transverse wave the higher the wave, the higher the?

What happens to the poh of an aqueous solution of ammonia when ammonium chloride is added?

N=S+S A-nt+ -an+? What does it mean

Which layer of the atmosphere has the least amount of ultraviolet rays from the sun?

How many significant figures are in 434.00

Who developed the idea of uniformitarianism? A. James Hutton B. Nicholas Steno C. William Smith D. Georges Cuvier

A sample of a hydrate has a mass of 5.026 g. After it is heated, it has a mass of 3.492 g. What is the percentage by mass of water in the hydrate? 1. 19.40% 2. 27.92% 3. 30.52% 4. 69.48%

What is the name of the binary compound N2P3