The correct answer is "students' ability to master whatever they seek to learn". This is the only option that states a truly motivating experience, since the ability to master whatever someone wants is believing in yourself which ultimately leads to motivation. Multiple studies have proved that students positive thoughts lead to better grades through motivation.
It was used to protect Athens from attacks :)
By adding & subtracting a number from both sides
How quickly supply can be met, how much of the resource there is in existance, and how quickly the resource produces itself.
Learning to
solve puzzles can be considered an example of the cognitive dimension of
development. Cognitive development<span> is defined as the a field of study in </span>neuroscience and psychology<span> concentrating on
a child's development in terms of information processing, conceptual resources,
perceptual skill, language learning, and other phase of brain development and </span>cognitive
psychology compared to an adult's point of view. Therefore, cognitive
development is the emergence of the ability to think and understand.[
<span> </span>