1) The concept of federalism involves the division of powers between a central government and regional or local governments, allowing for shared governance and autonomy for different levels of administration.

2) Cows have best friends and can become stressed if they are separated.

3) The fastest land animal is the cheetah, capable of reaching speeds up to 70 miles per hour (113 kilometers per hour) in short bursts.

4) Cyclones are fueled by warm ocean waters and atmospheric conditions that allow the formation of thunderstorms.