a sensitive gravimeter at a mountain observatory finds that the free fall acceleration is 0.0075 m/s^2 less than at sea level. What's the observatory's altitude

the diagram which shows forces as either balanced = same speed or unbalanced = accelerarting

cell differentiation  is how generic embryonic  cells  become specialized  cells. this occurs  through a process called gene expression. gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a  cell  functions.

explanation:

this could be newton#'s law of cooling. the cooling curve is exponential