3. Four samples of milk were treated as
show below in diagrams 1, 2, 3 and
4.
5.
3
Left open
1
Sealed
without
boiling
2
Boiled,
then left
open
without
Boiled,
then sealed
boiling
In which flask will the milk take
longest to turn sour?

Which anatomical feature would you expect to find in the fossil remains of a nocturnal species?

What is the thickest layer of earth called?

The next best alternative given up when making a choice is called the a. opportunity cost b. comparative advantage c. primary objective d. negative consequence select the best answer from the choices provided. a b c d