Answer:
It could lead to the changes in the earths surface because it could open up geysers in the crater, causing the earths surface to change.
3 nucleotides code for an amino acid
No I think you need to do some more research
"the process of hypothesis and testing through which scientific inquiry occurs"
The correct answer is letter a, it is because in wet drop method, it does not need to add water after placing the specimen because adding water before placing the specimen in the glass slide is already enough and after placing the specimen, a cover slip is the last step in finishing the method. That is why Johnny is not correct in doing the procedure.