I believe the answer is true. Humans have a digestive track, which removes unwanted matter from the body.
Answer:Option A
Explanation:pH decreases with increase in temperature
What are the options on it? I could help
Answer:
the correct answer is B it is changeable
Explanation:
Science knowledge may change due to the development of new technics for observing investigations also through new ways of thinking or framing the questions asked.
