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.
So, the population went up with every spring season and fell slightly in the winter; it increased within the course of 10 years
The answer is C, loss of biodiversity due to an invasive species
Grams is much denser then kilograms
please give it the brainiest answer
