The distance between the crest and trough of an ocean wave is 1 meter. What is the amplitude of the wave?

Why might the greeck city states have an advantage over the persians

In at least two paragraphs, discuss the differences between the principles of republicanism and democracy. explain whether you think the united states is more of a republic or a democracy. refer to at least one example from the constitution. (10 points)

Review president franklin delano roosevelt’s “four freedoms” speech and president barack obama’s “welcoming remarks” speech. is the “freedom from fear” a concern for both men and women equally? compare and contrast both speeches to answer this question. use the “wedding cake” compare contrast organization.