If the epiglottis fails to close correctly over the trachea when a person swallows what will most likely happen? a. the person may experience heartburn. b. the person may choke. c. the person will experience a heart attack. d. the person will get swollen lymph nodes.

Iron reacts with oxygen to produce iron oxide (rust). this reaction is represented in an equation as 4fe + xo2 → 2fe2o3. identify the value of x that will balance the equation.

Cells are adapted to preform specific functions. which of the following terms refers to this capability?

How does the diagram explain ocean currents? earth tilt 23.5 degreesquestion 1 options: earth's tilt causes uneven heating of earth which causes currents.earth's tilt causes the ocean to move because of gravity.earth's tilt and its rotation cause currents.earth's tilt causes uneven distribution of salt which causes currents.