Draw a punnet square for a female carrier of sickle cell with a wildtype male without the sickle cell allele. will any of the offspring have sickle cell?

In complete sentences describe the energy flow between the sun, the earth, and space.

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

This is the main structural axis of the plant that supports leaves, flowers and fruits; transports fluids; stores nutrients and produces new tissue.