What must be true for radioactive dating to be possible with a certain sample?

Which sentences describes a cycle of dependency? a. aid harms the local economy creating the need for more aid. b. aid improves infrastructure and creates more wealth and more good infrastructure. c. aid programs become more reliable over time so people can depend on them. d. no answer is correct

All living things share certain characteristics. which of the following characteristics is not shared by all living things?

How does the establishment clause limit government?