Carbon 14 has a half life of 5,730 years. Scientists measure how much carbon 14 the rock has. For objects older than 50,000 years, scientists will test the age of the things surrounding it.
Answer:
it depends on changes in gene expression
Answer: About 24 chromosomes
Explanation: A male grasshopper has 23 chromosomes in each somatic cell and a female has 24 chromosomes in each somatic cell.
There are two atoms that make up a single element