Think about what would happen if this substance were first in the solid phase, then melted in a liquid. what can you say about the melting point of the solid compared to the freezing point of the liquid?

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

Which statement best describes the function of enzymes?

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it