Question 4 of 10 Which of these actions increases enthalpy in the air molecules of the Earth's
atmosphere?
A. Carbon dioxide being taken in by plants during photosynthesis
B. Trees being planted in the rain forests
C. People breathing in oxygen
D. The air being heated by the sun
SUBMIT

Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg

Which type of intermolecular attractions holds ammonia molecules together with other ammonia molecules?

Is the genie in the bottle experiment a physical or chemical change/reaction?