Answer:
<em>The correct option is B) number of patients with brain tumors</em>
Explanation:
In a scientific experiment, an independent variable is a variable which is being changed by the scientist or changes naturally. The effect of the independent variable is studied on another variable which is termed as the dependent variable. Hence, the dependent variable can be described as the variable which is under study in a scientific experiment.
In the following scenario, as the effect of prolonged cell phones is being tested on causing brain tumors hence, the number of patients with brain tumors will be the dependent variable.
A theory of evolution that states that a species evolves in spurts of rapid change and then goes through periods of no change is known as <span>punctuated equilibrium.</span>
Light lets plants grow for the animals eat them
temperature lets the animals know when they have to hibernate or come out and hunt
i think soil composition helps the animals to get new types of food or lets them get water ?
Meiosis<span> has two rounds of genetic separation and cellular division while </span>mitosis <span>only has one of each. In </span>meiosis<span> homologous chromosomes separate leading to daughter cells that are not genetically identical. </span>
