Convection occurs because: Question 11 options: Small earthquakes occur within the Earth's crust causing rocks to shake and change temperature. Oceanic crust is being destroyed at deep ocean trenches. Molten rock comes close to the Earth's core it heats up, becomes less dense and rises and the molten rock near the Earth's crust cools down, becomes more dense, and sinks causing the cycle of convection. Convection does not occur within the Earth.

For a patient with the following pes statement and interventions, which would be the most appropriate monitoring and evaluating data? pes statement: inadequate calcium intake related to food and nutrition related knowledge deficit as evidenced by statements that the only dietary source of calcium is milk and she believes that she is lactose intolerant. patient’s nutrition prescription is for a diet providing 1200 mg calcium per day. patient was provided with in-depth nutrition education on alternative dietary and supplement sources of calcium. a. calcium intake (at subsequent visit) b. knowledge assessment by asking patient to identify food sources from menus and shopping list (at the end of the current visit) c. serum calcium (at next visit) d. both a and b e. both a and c

How are isotopes of the same chemical element alike? how are they different?

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?