The body’s natural defense against pathogens includes skin, tears, saliva

Which shows a correct order of steps in the scientific method? develop a hypothesis, analyze data, draw conclusions, make observations develop a hypothesis, analyze data, make observations, draw conclusions make observations, develop a hypothesis, analyze data, draw conclusions make observations, draw conclusions, develop a hypothesis, analyze data.

Which term defines one's age as measured by how well the body is working? chronological age biological age social age mental age

What creates an electric force field that moves electrons through a circuit? a. energy sourceb. loadc. metal wiresd. resistance