12. Spinach cells have a haploid number of 5 chromosomes. How may different ways can spinach homologous be combined?
A. 25
B. 4
C. 1024
D. 32
E. 16

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

answer: c. two haploid cells

explanation:

not too sure but maybe in the hot springs.

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.