Which characteristics are used to classify stars on the hertzsprung-russell diagram? check all that apply. size density composition temperature absolute brightness

Draw metallic bonding if two copper

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.