A student was talking with her younger brother about what she was learning. She asked him if he knew how food and oxygen got to the cells in the body. He responded, Sure, I know. This is how it works: We eat food, and it goes through food tubes to the cells. We breathe in air, and it goes through air tubes to the cells in the body.
Build on the younger brother’s ideas to provide a more scientific description of what happens when food and oxygen enter the body and travel to cells.

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic