1. how would you expect the relative abundance of c3 versus c4 and cam species to change in a geographic region whose climate becomes much hotter and drier, with no change in co2 concentration

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule

Which of the following has expanded our knowledge of the universe beyond our solar system the most? a. manned space travel b. the hubble space telescope c. the pioneer and voyager missions d. the international space station