Answer:
d. there is a relationship between smoking and lung cancer
Explanation:
a) it is NOT true becasue although the research show that is more likely to get lung cancer for smokers, it DOES NOT show that all smokers get cancer.
b) it is NOT true becasue altough it is very possible that smoking contributes to lung cancer, the research DOES NOT prove that smoking is the cause of lung cancer, it only indicates a relationship between smoking and lung cancer that is evidence that smoking contributes to lung cancer but it is not irrefutable proof.
c) it is NOT true becasue the research finds a relationship between lung cancer and smoking, but it is not focused in explaining smoking predispositionon. It does not investigate predispositions in people to smoke.
Answer:
Gene therapy is a form of genetic engineering.
Gene therapy is an attempt to cure diseases.
Gene therapy involves replacing mutated genes.
Explanation:
I don't think here is a definition for experimental curve if there is then I'm sorry
The vascular system is made up of the vessels that carry blood and lymph fluid through the body. It's also called the circulatory system. The arteries and veins carry blood all over the body. They send oxygen and nutrients to the body tissues.
The answer is : the circulatory system
Answer:The Doppler effect is the change of wavelength of light when its source moves along the line of sight with respect to the observer.
Explanation: