The factor being tested is the variable. There are two types of variables, independent and dependent. The independent variable is the factor being changed by the scientist or the person controlling the experiment. The dependent variable is the thing that gets changed due to the changing of the independent variable. The dependent variable cannot be changed physically by the person doing the experiment.
Answer:
<h2>lungs</h2>
Explanation:
An erythrocytes carries oxygen on the lungs.
hope it is helpful to you ☺️
3. Decreased variation in the shades of red because no form of the trait is advantageous.
Answer:
Plants
Explanation:
Plants can make their own food through a process called photosynthesis.
Had to look for the missing options and here is my answer.
The one that gives the best description of the most common way how material is added to the continental shelf is this: "Deposition of continental <span>sediments". This deposition includes biological, physical, and even chemical processes that occurred in a span of time. Hope this helps.</span>
