What are some ways that animals can be fossilized?

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

In pqr m< p=60 m< q= 30 and m

Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.