| Hint | |
|---|
| The cellular structure contains nuclei. | |
| Gases trapped in the planet's interior are released. | |
| | Hint | |
|---|
| A large rotating cloud of interstellar dust and gas. | |
| Exploding stars produce all of the elements heavier than iron and spew them into interstellar space. | |
| | Hint | |
|---|
| Limestone mats built up by lime-accreting bacteria. | |
| The idea that rifting and dispersal of one supercontinent is followed by a long period during which the fragments are gradually reassembled into a new supercontinent with a differe | |
| | Hint | |
|---|
| Accumulated on the seafloor and those early iron oxide deposits created alternating layers of iron-rich rocks and chert. | |
| Asteroid-size objects of matter that gradually coalesced into clumps that collided and stuck together. | |
| | Hint | |
|---|
| Is not separated from the rest of the cell by a nucleus. | |
| Large landmasses that conatin all of nearly all the existing continents | |
| | Hint | |
|---|
| The formation of large crustal provinces that accreted with others of form even larger crustal blocks. | |
| Clumps of matter that the planetesimals were made with repeated collisions and accretion. | |
|
Periodic Table
Planets from the Sun
Digits of Pi
