There aren't enough oxygen molecules in the air are higher altitudes
We reject the options a) and b) since the question says that the data supports "equally" both cases - so we have no basis for making a choice either way.
Further, in science the decisions are reached based on facts, not voting, so we also reject the answer D .
We are left with the answer C and this is also the best practice in science - when unsure, leave it as a hypothesis.
The answer is b) bent angle
C is the answer I just check it on mine
Electrical changed to thermal I’m pretty sure
