As the collection of physical evidence begins
a. the police chief has primary responsibility of maintaining the chain of custody.
b. all observations should be recorded through photographs, sketches and notes.
c. the district attorney should be consulted for admissibility of physical evidence in court.
d. the medical examiner should oversee the collection of the evidence at the crime scene.

the sunflower because each experiment got the same results

hope this !

-payshence

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

which

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

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements

it is a. i hope this .