Sponges are the simplest bilateral animal and do lack a body cavity. A sponge has two layers of tissue.
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.
significant digits are certain digits that give detail in a number
ex. in the number 400 it is the 4 because it tells you how many hundreds are in the number, in the number 49.92 it would be all of them because they all help understand the number
Do you get it?
D.8 should be the correct answer
Youwould have to know if the genotype was heterozygous or homozygous dominant
