(2) U-238 is the radioisotope used in dating geological formations. Uranium-238 has a half-life of 4.46 billion years, which makes it suitable to date such old formations.
The other options do not have such long durabilities and half-lives.
Answer:
the study of the movements and relative positions of celestial bodies interpreted as having an influence on human affairs and the natural world
Explanation:
Compound= many parts together therefore bike is the answer
Answer:
Antibiotics destroy bacteria
Answer:
Spraying perfume in one corner of the room and the smell travels to the other side of the room
Explanation: