1.Most aquatic animals have fins or paddles that help them swim
2. Skin is usually slippery and soft
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.
Answer:
The options to complete the question are
1
2
3
4
The answer is nothing else but 2.
Answer: all of them
Explanation: I think they’re all true
Hope this helps!
