During the Planck Epoch, all forces were ________, and the universe was considered as a singularity.
Fill in the blank(s) with correct word
Question 2
Primitive meteorites can be distinguished from other meteorites and terrestrial rocks because they
A) contain a noticeable fraction of pure metallic flakes.
B) resemble the composition of Earth's core.
C) contain a lot of iron and were used by humans to make iron tools.
D) resemble the composition of Earth's mantle.
E) resemble the composition of rocks from lava flows that occurred on asteroids very shortly after the formation of the solar system.