What was the significance of collisions of dust, rock, and ice during earth’s formation? to modify the density of materials present on earth to facilitate heat absorption from the surrounding space to blow away a strong burst of particles from the first atmosphere to harden materials to form different parts of earth’s layers

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.

to modify the density of materials present on Earth

Explanation:

I just took this test on ED2020

the answer is: trichonympha lives in the gut of termites and digests cellulose eaten by the termite.

this is an example of a symbiotic association of a protozoan with its mode of association.

hope i

-lavira: )