What is the best prediction for what will happen when all of the hydrogen in the sun has undergone fusion?

a. helium nuclei will split to form hydrogen, and the sun will no longer release energy.

b. helium nuclei will split to form hydrogen, and the sun will continue to release energy.

c. helium nuclei will fuse to create heavier elements, but the sun will no longer release energy.

d. helium nuclei will fuse to create heavier elements, and the sun will continue to release energy.

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

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