What are some ways to keep your bones healthy?(name atleast 3)

In which situations is the principle of cross-cutting relationship useful in determining relative age?

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel