33°N de latital, 412° W de longitud

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

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

Wich level of organization includes all the other levels or organizations