Scientists place great confidence in cell theory, yet it has not been evaluated using every living thing on the planet. What piece of evidence would most likely cause scientists to decide that cell theory would need to be revised? A. An organism was found with tissues that contained no cells.

B. A cell was found that could continue to divide and reproduce endlessly.

C. An animal cell was found that could harness solar energy, similarly to plant cells.

D. A sample of cells was found that used something other than DNA as hereditary material.

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.

answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.

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