Question 15 Graph of position versus time with position on y axis from 0 to 80 miles and time on x axis from 0 to 5 hours. Segment 1 goes from 0, 0 to 1, 40. Segment 2 goes from 1, 40 to 2, 40. Segment 3 goes from 2, 40 to 3, 60. Segment 4 goes from 3, 60 to 4, 75. Segment 5 goes from 4, 75 to 5, 75.
In the Position versus Time graph of an object moving in a straight line, what is the average speed for the object during the second hour? (2 points)

a
Zero

b
20 mph

c
40 mph

d
80 mph

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:

the temperature in kelvin of 2.0 dm3 of an ideal gas is doubled and its pressure is increased by a factor of four. what is the final volume of the gas

0.93xc=0.93x3x10^8m/s

2.54cm is 1 inch

360seconds i 1 hr