You take a sample of rock and find that, out of 1 atoms, it contains 5000 atoms of lead 206, the daughter isotope of uranium 238. based on this you can infer that the original number of uranium atoms was 1.

(true or false)

explain the reasoning

Which ecosystem best fits the characteristics listed below? which ecosystem best fits the characteristics listed below? ii. seasonal migrations of millions of wildebeests, zebras, and elephants iii. large numbers of predators, such as lions iv. acacia trees and grasses a. the congo rainforest b. the african mangroves c. the serengeti grasslands d. the sahel