Cytosine is always joined to what is the answer

Based on its chemical properties, identify the position of each chemical family on the periodic table.

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.