Answer:
A is the answer; 'more-efficient extraction techniques
Explanation:
I just took the test and got it right :D
good sir it seems your answer appears to be B
Answer: The balance of the reaction shifts toward the endothermic reaction.
Explanation:
An ENDOTHERMIC REACTION requires input of HEAT ENERGY to drive it FORWARD from reactants, unto completion of products.
So, on increasing the temperature (available heat) the REVERSIBLE REACTION favors the shifts towards the endothermic reaction