which platelet disorder involves the failure of blood to clot after trauma, in spite of having the ability to form blood clots

i need an image of the diagram

answer///multiple alleles;

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