What are the possible stages of HIV infection? (choose all that apply) •Clinical Latency
•AIDS
•Acute Infection
•Antiretroviral therapy

Wind energy is plentiful in regions with vast open spaces it is a non polluting renewable resource what could be an economic factor that makes the use of this resource less feasible then non renewable resource even in such regions

In sexual reproducing animals once fertilization of the egg takes place, the exists as a single cell until cell division begins. a) egg b) larva c) sperm d) zygote

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air