13.6786
Multiply 7x9 first.
Divide 63 by 196 next.
Subtract 14-the decimal
Alaska, arizona, hawaii, montana and wyoming
Because Cyanobacteria appeared
Cyanobacteria's excrement formed a lot of oxygen in the atmosphere which make the earth temperature cold
This allow a liquid water to formed on the surface ( because if the temperature is too high, the water will evaporate) and eventually formed oceans
<span>in the northern hemisphere sunset is always somewhere along the western horizon. This is because Earth rotates from west to east, causing the sky and everything in it to scroll past us over our heads from east to west. </span>
