The answer in finding the age of a sedimentary rock layer through radiometric dating can be assumed <span>between the absolute ages of the two igneous units.
Sedimentary rocks don't have radioactive elements so the beast way to know the age is through understanding what can elements in between can provide as evidence</span>
The tanks is unfit for consumption
Fairtrade is paying producers a reasonable price for the goods that they produce. Many farmers in LICs are paid very low wages. This means that they cannot escape poverty. Fairtrade gives farmers a better chance in life.
Answer:
The name of the portal is School Bhuvan.
Explanation:
School Bhuvan is a portal that provides E-learning courses in Geospatial Technologies and Remote Sensing with a view to helping students know about countries and the natural resources that abound in them. School Bhuvan also reveals the roles which natural resources of a country play in sustainable development. To achieve these, this portal has an earth browser which gives a gateway to discovering and exploring virtual earth in 3D, 2.5D and 2D space.
Advantage-extra work\data to compare first data with.
Disadvantage-Your data might change over time.