★ Energy, Hydrology, Microbiology Quiz
What best explains why all of the Earth’s freshwater is not available for human use?
A. it is in groundwater
B. it is water vapor
C. it is frozen
D. it is all available for human use
Select your answer:

Topics:
Human Anatomy and Physiology - Types of Tissues The Circulatory System Physical Education and Health Brain Bones Anatomy Pathogens - Bacteria and Viruses Skeletal System Homeostatic Imbalances Shoulder Haematology Skeletal Muscle Anatomy The Cell Cycle Health and Disease Human Anatomy Infection Anatomy and HistologyOther quiz:
Infection Control › ViewWhich type of bacteria cause blood poisoning?
A. bacilli
B. streptococci
C. staphylococci
D. spirilla
Regulation of Heart Rate › View
Where are chemoreceptors located?
A. renal artery
B. carotid arteries
C. lungs
D. sinus