I think the answer is A.
But correct me if I’m wrong
I hope this helps :)
A drainage basin is a region of land where water from rain or snowmelt flows into an ocean, lake, river, or other body of water.
Answer:
NAFTA and its purpose are to eliminate the obstacles in the trade between the USA, Canada, and Mexico.
Explanation:
It is a NorthAmerican agreement for trading between these 3 countries. It is the biggest agreement for free trade. NAFTA has abolished customs duties on more than half of Mexico's exports to the US and more than today's third US to Mexico.
Answer: Hello your question is open ended hence I will provide a more general answer
answer : Use of systematic sampling method
Explanation:
To obtain a representative sample of pebbles ( more representative sample ) Leaners should use <em>Systematic sampling method</em> . This is because systematic sampling covers the the entire population by obtaining samples from the population of pebbles at regular intervals hence it is a more comprehensive system of sampling when compared to Random and stratified sampling
The crust floats on the convection currents