Answer:
red will be the bottom layer
Explanation:
in order to find its density you have to do mass/volume.
Blue: 12/3 = 3
Clear: 10/5= 2
Red: 15/3= 5
Yellow: 18/9 = 2
The one with the greates valua aka greatest density will be at the bottom layer/
The hollow impression of a trilobite is an original remains fossil.
B.
Because your body will take the calcium from your bones to sustain normal cell functions which can lead to osteoporosis.
Answer: Eating.
Explanation:
Animals obtain energy by eating plants or animals. The only form of energy a cell can use is a molecule called adenosine triphosphate (ATP). Chemical energy is stored in the bonds that hold the molecule together. ADP can be recycled into ATP when more energy becomes available.