Answer:
E. dihybrid; independent assortment
Explanation:
The germ theory of disease states that many diseases are caused by the presence and action of specific <span>microorganisms.</span>
The answer is to add a 0 hours control.
In every experiment, the control group is necessary. That way, effects of all variables except the independent one will be minimized. The<span> independent variable is variable that is not affected in the experiment. In this example, the amount of light. The dependent variable is called dependent because it depends on the independent variables. In this example, the dependent variable is the average volume of oxygen (photosynthesis).
But to minimize effects on variables, it is necessary to include the 0 hours group, so it can be compared to the other groups. </span>
Answer:
Helium
Explanation:
Helium is extracted in a few places in the world, namely USA, Algeria, Russia and Qatar. Helium is abundant in space, where it's produced as a product of the fusion reaction inside stars such as the sun.
