Which of these is an example of a good observation in a discriptive investigation? A. The monkeys spent 2hrs in one tree B. The monkeys spend most of there time in their favorite tree C. The monkeys jump around in the trees because they are playing D. The monkeys left the tree because they were hungry and wanted food
NOT CHEMISTRY ITS SCIENCE BUT THEY DON'T HAVE A SCIENCE THING

Drug abuse will not lead to physical and psychological dependence. true or false ?

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth