The table shows the masses of four objects.

(look the foto for now the table)

which object has a weight of about 22.5 n?

the book
the rock
the box
the fish

Which element provides strength to the exoskeleton of clams and oysters

Explain the difference between incomplete dominance and codominance

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures