If measurements of a gas are 75l and 300 kilo-pascals and then the gas is measured a second time and found to be 50l, describe what had to happen to the pressure (if temperature remained constant). include which law supports this observation.

All of the following are examples of service-learning opportunities except: a. donating time to senior citizen war veterans and writing a report about the experience for your u.s. history class. b. getting a part-time job at a habitat restoration center. c. reading to second-grade students as part of your assigned reading time for your english class. d. planting trees in your community and then discussing global warming in your science class.

Which of the following is a presentation cue? a. crossing your arms b. mumbling c. repeating words d. whistling

Which food would provide you with the most calcium?