B. the rest of this is useless word its making me type twenty characters to answer
<span>photosynthesis i believe
</span>
Answer:
How long did the changes they wrought continue to have an effect? Abraham Lincoln
What relevance do they have today? Abraham Lincoln
What is the symbolic significance of this person? Abraham Lincoln
What contemporary lessons can be drawn? Abraham Lincoln
Explanation:
This process is called diffusion
hope that helps