B. One
because an independent variable is something you change. So in a scientific experiment you only change one thing. If you happen to change more than one thing then the test becomes unfair therefore you should repeat and make sure that only one thing is changed this time.
The correct answer is this: ZEITOUN SPOT FISH SWIMMING IN THE FLOOD WATER.
The passage given above was drawn from an account of Hurricane Katrina by Dave Eggers. In the passage, he described the hurricane experience as an apolycapses, thus likening the event to the great destruction that will befall the earth at the end of the world as recorded in the bible in the book of Revelation. The hurricane was so bad that those animals that can not fly were carried away in the flood, even the fish inside the water were affected.
There is only one main element involved in the fusion reactions inside the sun; Hydrogen, but if you need a second element then it is more than likely that the question is asking for the isotope of hydrogen that is called <span>deuterium.
So basically, Hydrogen and Deuterium; an isotope of hydrogen</span>
<span>Different pressure levels
Hope this helps and please award brainly :)
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Answer:
A pea plant that has round seeds has the genotype Rr. It is crossed with a pea plant that ... Gregor Mendel used pea plants that were heterozygous for each of two traits- seed colour and seep shape- to generate a dihybrid cross. The phenotypic ratio of the resulting offspring was nine with round and yellow seeds,
