Do invertebrates have prokaryotic or eukaryotic cells

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

All organisms contribute some water to the water cycle by conducting

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.