Answer: a)Copper and tin
Explanation: Copper and tin came into use at very early ages in the form of utensils, ornament etc. They were discovered in a way that it is possible for the people of early ages to extract these metals and melt them to give it some kind of shapes and utilize it for their daily living.People also started using these metals in the form of alloys as well which expanded the used of metals like copper, tin , bronze etc. Thus, correct option is copper and tin.
The Amazon is much larger than the Mississippi and are located on different continents.
The Amazon flows through ( I think ) more jungle and rainforests where the Mississippi isn't located in land like that. ( there's literally a highway that follows it down )
Nunavat I'm pretty sure! Hope it hpeo
<span>St. Lawrence River, the Great Plains, and the Rocky Mountains are major land forms that both Canada and the United States of America share. You could also say the great lakes. Hope I helped. </span>
