How many half-lives did the rock go through? 4. If a rock had 40 daughter atoms present, how old would the rock be?

Compare the partition of southeast asia to the partition of africa how was it similar

Asap will mark geography final plz ! what are the benefits of international aid? (give me the right evidence )

What statement about the economy of france is not true? a. paris is a major manufacturing center b. marseille is a busy seaport on the mediterranean coast c. farming is the major activity in the alps. d. world-famous wines are produced in the bordeaux region c. farming is the major activity in the alps