Answer:
Independent variable: different amounts of second-hand smoke
Explanation:
The independent variable in an experiment is the variable that the experimenter changes or manipulates in order to bring about a measurable response.
In this question, a test is being carried out to determine the health effects of different amounts of second-hand smoke on one-year-old hamsters. Based on this, the independent/manipulated variable is the DIFFERENT AMOUNTS OF SECOND-HAND SMOKE because it is the variable being changed.
Answer: What made him a crowd favorite was that he played for multiple seasons, and multiple teams.
Explanation:
A. The allele frequency of a population changes due to a bottleneck.
This is because genetic drift happens because of chances events such as founder effect of bottleneck effect
Homeostasis is reaching an equilibrium in an organism. Everything is being maintained properly.
