You are a researcher studying the effects of "Compound X" on the soil microorganism Azotobacter vinelandii. You add "Compound X" to a flask of A. vinelandii with a concentration of 1x106 CFU/mL. After 5 hours, you assess the concentration of A. vinelandii in the sample and it is 1x106 CFU/mL. What term best defines "Compound X"?

Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world