The answer is b because the other ones are involved in environmental science
After reviewing the graph you posted above, there is one radioactive isotope that has a half life that is approximate to the same as the estimated time of the origin of Earth.
The radioactive isotope is called Uranium 238. You can also write this out as U-238 or uranium/u. Any of these are acceptable for the answer.
Answer: Because we don't want to use up all of the natural resources
Explanation:
Answer:HDI reflects long-term changes (e.g. life expectancy) and may not respond to recent short-term changes. Higher national wealth does not indicate welfare. ... However, HDI can highlight countries with similar GNI per capita but different levels of economic development.
Explanation:
Is there a picture that is supposed to be attached?