One way is to have a positive attitude. When you have a positive attitude, you're more likely to do better too. Another way is to study in a quiet place with no distractions.
It totally depends on the level of schooling where the D<span> is received.</span>
The cognitive stage that Cassandra is illustrating is the
Formal Operations stage, this focuses on having to use reasoning and logical
thinking in which the person made use of hypothetical or even theoretical in
which Cassandra uses as she thought of hypothetical arguments.
Africa is 3 times larger than the us including the land mass and population...........hope it helps :)