Answer:
1:a 2:d 3:a 4:b 5:b 6:c 7:c
Answer:
by seen across the tree Vines
Answer:
The majority of background radiation occurs naturally from minerals and a small fraction comes from man-made elements. Naturally occurring radioactive minerals in the ground, soil, and water produce background radiation. The human body even contains some of these naturally-occurring radioactive minerals
Explanation:
