Answer:
<em>The correct option is A) cadmium dosage</em>
Explanation:
In an experiment, an independent variable can be described as a factor which is changed naturally or by us to see its effect on the dependent variable. The dependent variable is the variable which is under study and depends on the independent variable.
In the following experiment, we are checking the effect of different dosages of cadmium on the surviving ability of tadpoles. Hence, cadmium dosage is the independent variable. Tadpole population is the dependent variable.
Answer:
In many cases, the impact of the HIV/AIDS epidemic on families, communities, and countries has feedback effects that influence the course of the epidemic –- for example, poverty and the breakdown of social and economic systems impair community systems that could help to stem the spread of infection.
Explanation:
Answer:b)lubricating surfaces
Explanation:took it on edge hope this helped
