‏is it true that all ecosystems must be as large as a desert? explain

What was the land like over 500 million years ago? what was under the sea?

What’s the student’s scientific question

We can be sure that a mole of table sugar and a mole of vitamin c are equal in their 1) mass in daltons. 2) mass in grams. 3) number of molecules. 4) number of atoms. 5) volume.