One common fertility treatment for women is to take medications such as follicle-stimulating and luteinizing hormones to stimulate the ovaries. Why does this treatment increase the probability of producing twins or triplets? A. Multiple unfertilized eggs can be stored in the uterus. B. The hormones can cause multiple sperm to fertilize one egg. C. Multiple unfertilized eggs can be released and fertilized. D. The hormones can cause multiple eggs to travel to the cervix.

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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igneous rocks are formed by solidification of cooled magma (molten rock), with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.  

the composition depends on the source magma. there are almost a thousand types of composition found till now.  

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