Suppose you are searching for new life forms as
part of an expedition in a remote region of
Alaska. At one site you find 24 greenish-brown
objects, each measuring around 1 cm3. The
objects do not appear to have heads, tails, or
legs, but you suspect they may be alive.
Describe what tests you would do to determin
if the objects are alive.

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error

a gas, having a molecular weight of 13 kg/kmol and a kinematic viscosity of 0.25 cm2/s, flows through a pipe 0.25 m internal diameter and 5 km long at the rate of 0.4 m3/s and is delivered at atmospheric pressure.