When stopped behind a school bus you cannot continue moving
a. you cannot see any more children getting on or off the bus
b. you access to a passing lane
c. the bus stops flashing it's red light and (if applicable) withdrawls it's stop sign

How do conflict minerals, and in particular, conflict coltan get their name? what groups benefited from the trade in conflict minerals? what group were hurt by it?

How did german physicist werner heisenberg's uncertainty principle shake beliefs in newtonian physics?

Read the passage below. which of these statements describes the problem with including this passage as part of an explanatory essay? passage: the neolithic revolution changed everything for humans. before the n.r., you couldn't even plant food. i know you want to hear more, don't even deny it! o a. the tone is too dull and does not include a hook to keep the reader interested. o b. the tone is too objective and does not show the author's opinion. o c. the tone is too transitional and does not stay focused on one topic. o d. the tone is too informal and does not use appropriate vocabulary. surmit