I KNOW ITS NOT D BUT I NEED HELP Which sentence best states the main idea of this passage from Roosevelt's Four Freedoms speech? A. We are in an emergency situation and must find a quick solution to the problem B. People will have to sacrifice many of their freedoms in order to fight this war. C. All obstacles must be overcome in order to ensure the safety of the United States. D. All Americans must be prepared to fight for the safety and freedom of the United States

Arunner is jogging at a steady 3.6 km/hr. when the runner is 2.9 km from the finish line, a bird begins flying from the runner to the finish line at 14.4 km/hr (4 times as fast as the runner). when the bird reaches the finish line, it turns around and flies back to the runner. even though the bird is a dodo, we will assume that it occupies only one point in space, i.e., a zero-length bird. how far does the bird travel? (b) after this first encounter, the bird then turns around and flies from the runner back to the finish line, turns around again and flies back to the runner. the bird repeats the back and forth trips until the runner reaches the finish line. how far does the bird travel from the beginning? (i.e. include the distance traveled to the first encounter)

What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical

Which statement best explains why the overall charge on an atom is zero?