If a rock layer is found which contains thousands of fossil fish, the fossils piled up as each fish died one at a time.
the rock layer could have taken thousands of years to form.
all the fish had to be quickly buried together.

i think the answer is g1

hope i

-lavira: )

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.

looks like the answer is     c     to me!

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called