How much of the earth’s water is usable as a freshwater resource?

The seed coat's most important function is to provide a) a nonstressful environment for the megasporangium. b) the means for dispersal. c) dormancy. d) a nutrient supply for the embryo. e) desiccation resistance.

Which part of cellular respiration must occur before any of the other steps can occur

What is the correct trna sequence that would match the following mrna sequence.gcgaua