Answer:
A and B
Explanation:
This is because there was emission of gamma (Y) radiations in both the reactions.
What do you mean by unlock all of them? Please explain
B is the answer to ur question
The only one that I can do without google is 47. Sorry that I can't answer the others. The answer to 47 is this: you know that the western side of the hill has the steepest slope because the ovals showing altitude are way closer together. The closer the circles/ovals are, the steeper the slope is.
Sorry if this doesn't help much, but I answered what I could without cheating.
Foxeslair