Answer plsss ASAP it’s a test

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

What does natural resource management aim at ?