Stomach acids killing pathogens is the
and systems working together
A. Respiratory and Endocrine
B. Immune and Digestive
C. Digestive and Excretory
D. Cardiovascular & Excretory

Looking at this image, what relationship can be drawn from it? the lower the degree of latitude, the lower the degree of temperature there is no relationship between latitude and temperature the higher the degree of latitude, the higher the degree of temperature the lower the degree of latitude, the higher the degree of temperature

Theories basic to all of the life sciences include the germ theory of disease. theory of evolution by natural selection. o two of these answers are correct none of these answers are correct o cell theory.

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water