<span>Billy is having trouble in the concept of conservation, which is part of the concrete operational stage of cognitive development.
Trouble in conservation means that Billy is unable to understand that a change in the form of an object does not necessarily mean that the quantity of it has changed. In this instance, Billy has not acquired the ability to understand the 1/2 full glass of orange juice does not increase in quantity when it's poured in his favorite (smaller glass) and reaches its brim.</span>
Answer:
Development of agriculture help a country by supporting food for a nation if the agriculture is the best in a nation we can export to other countries. With the help of industries we can do trade with other countries. This also helps the nation with good economy.
Explanation:
(hope this helps)
The answer to this question that is not protected by the power of executive privilege is A.
Is there answer choices?<span />
