Iam the most reactive metal in period 4.

krypton
potassium
sodium
bromine

Which of the following are the functions of the skeletal system? blood cell production in soft marrow tissues and mineral reserves largest organ of the body for defense and support vitamin d production and pumping blood through vessels voluntary movement and contractile movement

The process by which natural forces move weathered rock and soil brim one place to another is called

All organisms contribute some water to the water cycle by conducting