Answer:
The correct option is (C)
Explanation:
Hypothesis is referred to as an assumption or wild guess that needs to be tested to arrive at a scientifically established theory,
Here, Jill proposes a hypothesis which states that igneous rocks produced by volcanoes constitute some kind of chemical that could be used by scientists to estimate the origin of the rocks.
This hypothesis can be tested only by collecting the rock samples and testing them to arrive at a scientifically proven fact.
Answer:
Italy long coastline had many major trade centers
Answer: Excessive tariffs harm international trade. For countries that are dependent on exports to fund their economy, trade barriers can be detrimental to their economies. This creates a supply surplus. Businesses are then forced to sell products at a cheap price.
Answer:
a prolonged period of abnormally low rainfall, leading to a shortage of water.
"the cause of Europe's recent droughts"
Explanation:
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