The answer to this question would be (All of the above) because all of these could be positive
Jogging around a track for 30 mins :)
Answer:
is an informal term for a group of single-celled eukaryotes, either free-living or parasitic, which feed on organic matter such as other microorganisms or organic tissues and debris. ... Some examples of protozoa are Amoeba, Paramecium, Euglena and Trypanosoma.
Answer:
1. Lung cancer is a bad sign of smoking
2. No
3. Lung cancer can shorten your life span and can cause many problems later on in life.
Explanation: