During the transfer of energy from one tropic level to the next tropic level around 90% of the total energy is lost in the metabolic processes in the form of heat. Hence only about 10% of the total energy can only be transferred from one tropic level to the next tropic level.
If our eyes were sensitive only to x rays the world would appear dark because X-ray light does not reach Earth's surface.
Answer: Option B. core samples
Explanation: this is the only option that is not used for locating minerals
1 poverty
2 hunger
3 drugs
4 racism
5 mental problems
( im not that sure )
