No todas las bacterias son perjudiciales los lactobacilos son bacterias que ayudan en la digestión
Answer:
I think that answer is A
Explanation:
how long ago did the organism lived
They are called grit No, they are actually called grains. If you look it up in Classifying Rocks doc. it will specifically quote that they are called grains. Trust this answer, I have been studying rocks and minerals for a couple months now and I know too much about them and I am almost positive I will never use that when I'm out of school in a couple years. Enjoy.
Answer:
Explanation:
The fault cuts through all three sedimentary rock layers (A, B, and C) and also the intrusion (D). So the fault must be the youngest feature. The intrusion (D) cuts through the three sedimentary rock layers, so it must be younger than those layers. By the law of superposition, C is the oldest sedimentary rock, B is younger and A is still younger.