Pahoehoe and Aa are two types of lava
<span>The layer of rock above it might contain the fossil of a fish as, according to the law of faunal successsion, this was the first animal to evolve after shelled organisms. In sedimentary rock, animals that evolved later could only be found in layers above those from an earlier time.</span>
Answer:
I Think it might be A! I hope I am right!
Answer:C. Penicious anaemia
Explanation: Penicious anaemia is a disease caused by the bodies inability to make enough vitamin B-12 required to produce healthy red blood cells,it is a very rear disease with a 0.1% prevalence in the population,it has a higher of approximately 2% prevalence among the older members of the population especially those above 60years old according to a 2012 medicine study.
The symptoms of this disease include weight loss, memory loss,loss of appetite,heart burn etc
It can be treated with vitamin B-12 drugs or injections,it can be prevented by taking enough foods like Meats, shellfish,eggs, poultry products and vitamin B-12 supplements.