Answer the following:

Which plant has a visible leaf modification that will it conserve water in extremely dry environments?

How can you approximate the number of calories required to keep you in energy balance?

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half