molten material
magnetic stripes
Explanation:
The evidence that supports the proposition that sea floor spreading occurs from the options are the magnetic stripes and molten materials.
Harry Hess proposed the concept of sea floor spreading which further led to the development of the theory of plate tectonics.
Some of the evidences used are :
- Magnetic stripes in the rocks of the oceanic crust around spreading centers.
- They were discovered using magnetic survey of the ocean floor.
- Bands of magnetic minerals were seen to be oriented in particular direction and forms different patterns in the rock.
- Also, along spreading centers, molten materials rich in basalt abounds.
- This is because when sea floor begins to move apart, magma upwells from deep within the asthenosphere to replace them.
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The policy or action of using vigorous campaigning to bring about political or social change.
Answer:
Explanation:Ss
Because
The gene snails of a population consists of all the copies of all the genes in that population.
"The number of chromosomes present in a diploid cell doubles for each generation because there are two parent" is the one among the two statements that <span>is the best explanation for why the chromosome numbers above are all even. The correct option among the two options that are given in the question is the second option. </span>
It is false that u<span>nlike third-world and developing nations, the u.s. has no incidence of hungry or malnourished people.
You can find hungry people anywhere - even in the richest countries in the world. Not everyone has the same opportunities and living conditions, so it is only normal that there will be poor people who cannot afford even food.</span>
