Corals absorb from the ocean to form their skeletons.
a. calcite
c. quartz
b. calcium
d. limestone

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Enzymes affect the reactions in living cells by changing the