<h2>Answer:</h2>
Bar Graph
<h2>Explanation:</h2>
Bar graphs can be used to compare changes over the same period of time for different entities such as the given case has two plants. The bars can be plotted vertically or horizontally. A vertical bar chart is sometimes called a line graph. As Dan is calculating the progress of two different plants over continuous period of time of sunflower seedling for two different fertilizers so he needs a bar graph for it.
Answer:
the oxygen from the environment will flow into the cell
Explanation:
because by diffusion, areas of high concentration flow to low concentration :)
A. atp is energy they both produce energy it’s just about how they do it .