Generally speaking, most aldol condensation reactions involve a negative enolate attacking a slightly positive carbon of the carbonyl group on another compound to form a(n):

a. Secondary amine.
b. Carboxilic acid.
c. Ester.
d. β-hydroxy carbonyl compound.

some sources quote the lethal dose, for an average 170lbs opiate-naive individual is between 75 and 375 mg

geosphere and hydrosphere.

this is because the geosphere has to do with geological events, while the hydrosphere controls all water on earth.

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.