Cigarette manufacturers purposely add to cigarettes in order to give them a particular flavor

Carcinogens

Explanation:

Cigarettes contain many substances that are known to cause cancer and are called carcinogens. These substances are added to provide flavors and make smoking to feel more enjoyable. Because of that, the answer is that cigarette manufacturers purposely add carcinogens to cigarettes in order to give them a particular flavor.

the principle of segregation describes how pairs of gene variants are separated into reproductive cells. from his data, mendel formulated the principle of segregation. we now know that the segregation of genes occurs during meiosis in eukaryotes, which is a process that produces reproductive cells called gametes.

mass and weight are closely related because mass affects the weight of an object experiencing the effects of gravity. weight is the measure of the force of gravity on an objects's mass, while mass is the measure of how much matter there is in an object.