Given the age of the meteorite is 4.5 billion years old with 78 atoms of lead-206 the answer should be B. 156. The half-life of uranium-238 in order to decay into lead-206 is 4.46 billion years, which means that the original number of atoms is 156.
New species often form on new islands because they evolve to fill new niches
So we can protect ourselves from the same virus if it attacks again in the future
Answer:
they are not made of the same ingredients
Explanation:
All living things breathe, eat, grow, move, reproduce and have senses. Non living things do not eat, grow, breathe, move and reproduce. They do not have senses.
<span>B. The overuse of antibiotics. </span>Antibiotics have tremendously helped in in treating infectious diseases but throughout the years, overuse of antibiotics has also been found to contribute in the emergence of antibiotic-resistant diseases, which makes all of us vulnerable because of the lack of treatment for these new strains.
