A train travels 100 km east and then 75 km west. What is the magnitude of
its displacement?

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

Choose a synonym for the underlined homonym (a word with two or more meanings). i did not expect the boat to rock so much. a. boulder c. astound b. sway d. shock

How do you tell if someone actually cares about you? and just say they do?