Sixty-five million years ago, according to some scientists, an asteroid bigger than mount everest slammed into north america,  which, causing plant and animal extinctions, marksthe end of the geologic era known as the cretaceous period.

Are salt and soap nutrients or toxins for yeast? explain.

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.

Mitosis creates two identical daughter cells from one parent cell creates four nonidentical daughter cells from one parent cell is the most common type of reproduction for bacteria is the process by which male and female reproductive cells are created