Which substances are acids? Check all that apply. (1)AgOH
(2)HF
(3)NiOOH
(4)NH4OH
(5)HMnO4
(6)Zn(OH)2

What is the next step in muscle contraction after the actin changes shape? (apex)

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species

List five ways we are indebted to phytoplankton