The nucleus contains most of the genetic material, or DNA, of the cell.
Answer:
Order the steps to take when drawing electron dot diagrams.
Count the dots to make sure that all of the valence electrons are represented.
✔ 4
Draw dots around the chemical symbol to represent the valence electrons of the atom.
✔ 3
Use the periodic table to find the chemical symbol of the atom and the number of electrons in the valence shell.
✔ 1
Write the chemical symbol of the atom.
✔ 2
Explanation:
I did it on Egde I guess on the answers BTW just to help you guys
The correct answer is an accumulation of microorganisms in deep marine environments.
Chalk rock refers to a pure form of limestone produced in tropical and warm seas about 100 million years ago in the Cretaceous period. The microscopic marine algae known as coccoliths thrived in the ancient seas. Their shells were comprised of calcite. With the death of the algae, their bodies sunk to the floor of the sea and sediment of chalk got deposited.
Over many years layers of chalk sediment got deposited and resulted in compaction of loose sediment into solid chalk rock.
Answer:
i belive its B, so sorry if im wrong!..
Explanation: