Why is nitro group called an ambident group?

Which type of reaction always has an element and a compound as reactants

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

According to the tide table below what time of day will the highest tide occur?