Answer: D. Informing the student body about the school's new recycling program.
A website would be particularly effective in this case because the audience that needs to be reached is a large one (the whole student body). Moreover, the topic is one which could be significantly complex. Students will probably use it as reference, so they will need to check it several times. A website would make it easily accessible and always available.
By understanding the meaning of the words.
Sow means planting. " I sow the seeds in the soil".
Sew means to stitch. "She sews her seams sweetly and neatly".
Do you not have neighbors or something?
False, it isn't that because alliteration doesn't mean that.