Which describes a concept that was not previously known but was developed as a direct result of Mendel’s experiments with pea plants? Organisms with a recessive trait can have a dominant allele for the trait.
All observable traits are dominant.
Organisms have more than one observable trait.
Organisms can be bred for specific traits based on a pattern of inheritance.

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

answer australia and antarctica;