Which is the first line of defense against the invasion of pathogens?
a. subcutaneous tissue
b. skin
c. adipose tissue
d. melanocytes e. nail body

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

Graphs you see question 5 options: the change in data over time the relationship between different dependent variables the relationship between the independent variable and the dependent variable/s the relationship between different independent variables

What is the cause hearing loss in human being