A fungal infection that covers an amphibian's skin can quickly kill the animal. Why can't amphibians tolerate their skin being covered with a foreign substance

Amphibians skin is fully functional in blood production, and become anemic when the skin is covered by fungus. Amphibians have small lungs and use their skin for respiration (Cutaneous Respiration); they suffocate when the skin is covered with fungal growth.

the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers