Answer:
<em>Line graphs are used to track changes over short and long periods of time. When smaller changes exist, line graphs are better to use than bar graphs. Line graphs can also be used to compare changes over the same period of time for more than one group.</em>
Two or more different elements
Answer:
positive charge
Explanation:
Protons are positively charged
Answer:
A) Energy is needed to start photosynthesis and is a product of cellular respiration.
Explanation:
