Explanation:
If heat is released in a reaction, enthalpy Change in the reaction is negative, then it will be exothermic
A need is something required for a safe, stable and healthy life (e.g. air, water, food, land, shelter).
Governments influence the economy by changing the level and types of taxes, the extent and composition of spending, and the degree and form of borrowing. Governments directly and indirectly influence the way resources are used in the economy.
Roads and bridges are examples of how Roman influenced art in modern life