Which pair is correct?
a. ge phase, dna replication
b. ga phase, preparation for mitosis
c. s phase, cell division
d. m phase, cell growth

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

not only is it colder, it also becomes darker, less salty, and more dense.

d. groundwater flows through the subsoil and deposits minerals.

which

what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements