Question: Which statement best explains why Earth’s outer core is in liquid form?
The iron-nickel alloy melts due to hot temperatures.
The outer core has a tarry consistency.
This region is less dense when compared to the mantle.
This region is under extreme pressure from the weight of other layers.
Answer:
The statement here that bet describes the Earth's outer core is in liquid form " The iron-nickel alloy melts due to hot temperatures."
Explanation:
The outer core of the Earth's is made up of fluid layer which is about 2400 km thick and basically made from iron as well as nickel alloy. This layer lies just above the solid inner core and below it mantle is present. The core of the Earth works like a furnace for the whole composition. It holds the intense heat as well as pressure that helps is maintaining the iron and nickel in the molten state.
I believe that would be B
I think that a) is chemical, and b) would be chemical
Answer:
answer is B.
Explanation:
it shows that harappa could store excess food to save,sell or trade with others.
Answer: "More frequent and intense drought, storms, heat waves, rising sea levels, melting glaciers and warming oceans can directly harm animals, destroy the places they live, and wreak havoc on people's livelihoods and communities. As climate change worsens, dangerous weather events are becoming more frequent or severe."
Explanation:
"What is the biggest threat of global warming?
The threats include harm or death from increasingly frequent extreme weather events such as heat waves, storms and floods, as well as the disruption of food systems, the spread of diseases from animal populations, food- and water-borne illnesses, related mental health issues and more."
Hope this helps :)