If later is was 100 million years ago, later b would be 200 million years ago (because it is 100millions years prior to a). And therefore layer c must b 300 million years ago.
B.https://www.mansfieldct.org/Schools/MMS/staff/hand/genNaturalselection06.htm this is where I got my source.
Humus is a dark organic matter that is an important part of your soil
Humus consists of decomposing organic material. The process of creating humus is called Humification: decomposition of o<span>rganic matter into smaller and smaller molecules by the micro-organisms in the soil (mostly bacteria and fungi).</span>
Answer:
they can cause a lot of harm in human body
Explanation:
based on research, a virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism.
Bacteria are a type of biological cell. They constitute a large domain of prokaryotic microorganisms.
and lots more all can do a lot of damage to the human body they can even take someone's life.
Hey, Cincins!
Giant reed(grass),Brown trout(fish), European green crab, Sudden oak death(fungus), Yellow star thistle(weed), and Glassy-winged sharpshooter(insect).
I hope this helps;)