The diploid number for a lily whose pollen contains 12 chromosomes would be and is produced when the pollen, containing sperm, the egg.

Arepair man charged $93.06 the price included 2 hours of labor and 40 service charge how much does the repairmen charge per hour for labor?

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

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.