From the TOP TO BOTTOM it is tertiary 1
secondary 10
primary 90
Producers 100
Explanation:
C. Allantois stores waste products produced by an embryo
hope this helps you out good luck.!!!!
Fossil fuel + oxygen gas -------> carbon dioxide + water + heat
Well matter is basically any substance that has mass and takes up space. Example, you have a ball, or a table, or anything really. That is mass. But anything that doesn't take up space or has mass isn't matter. So, anything that doesn't have a mass or take up space is not matter. Hope this helped you understand. :D
