The answer would be:
D = M/V
D=Density
M= mass
V= volume
C- a persons heart rate slows down after 5 minutes.
I'm pretty sure its graph 4
Fossils provide a window in Earth's history by showing us how they existed in the past. They can be dated through several ways and can show us how animals and plants have evolved over millions of years. Also, fossils can help us better understand ancient disasters by the inclusion of elements (such as <span>volcanic ash or dust from major space object impacts) and how they affected the life on earth)</span>
