What is the ratio of Carbon to Oxygen in the carbohydrates we discussed in the lesson? *
1 carbon : 2 oxygen
2 carbon : 1 oxygen
1 carbon: 1 oxygen
1 carbon : 1 hydrogen

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

What is the name of the type of cell division that occurs in the prokaryotic cell cycle

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this