Most of the coal found on Earth today was formed during the Carboniferous and Permian Periods. About how old could a piece of coal be?

Identify any four organelles that should be present in the eukaryotic organism and describe the function of each organelle

How many types of rock can form from the rock cycle

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