Fact 1: Roundworms may be free-living or parasitic. Fact 2: Roundworms Can Cause Anorexia. Given the two facts above, anorexia can be caused by ?
Select from: 1). parasites 2). contamination 3). cigarettes 4). Leptospirosis 5). Smoking 6). Pesticides 7). heat or cold 8). acetic acid
Answer:
1).