A period is the name given to a horizontal row of the periodic table. The periodic table has 7 periods.
It is represented by C) KI
K+
I-
So it's KI
The anterior which is the front of the earth worm can detect smell due to the organ prostomium
2 floors because they are double the work.
Mercury, Venus, and Mars are all rocky planets. None are more or less different than Earth. Earth is the largest and the only planet with extensive regions of liquid water.
Explanation: