Any substance that triggers an immune response is an antigen(s).
Answer:
us humans need a balanced ecosystem because its what keeps us alive. when having a balanced ecosystem we have cleaned water, purified air, maintained soil, regulates our climate, recycles nutrients, and provides us with food.
Answer:
The correct answer is - qualitative data.
Explanation:
Qualitative data are the consequence of arranging or explaining traits of a object, population or other things. qualitative data are additionally often called as categorical data.
Example of qualitative data is color of water, blood type, ethnic gathering, the vehicle an individual drives, and the road an individual lives on are instances of qualitative(categorical) information.
Thus, the correct answer is - qualitative data.