Standard temperature and pressure (stp) are considered to be 273 k and 1. 0 atm. Predict which of the following changes will cause the volume of the balloon to increase or decrease assuming that the temperature and the gas filling the balloon remain unchanged.

Ahands-free device may only be used if it can be activated or deactivated with a

Nathan is an ecologist. he’s studying the effect of secondary consumers on primary consumers. his current research focuses on a population of blue jays and crows. they eat caterpillars and mice. if the number of blue jays increases, what are the likely effects on other populations? 1the number of crows will increase. 2the number of mice will decrease. 3the number of mice will remain the same. 4the number of caterpillars will decrease.

Blank is the amount of energy in a sound wave per unit of time and is also related to the loudness of a sound