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had to do with latitute and longitude, those at higher latitude needed less melanin (lighter skin tone) to absorb vitamin D

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Please also note that the person whom the subject performed the action for cannot be the speaker or someone from speaker's in group.So you CANNOT say Joshu wa watashi ni eigo o oshiete ageru (ジョシュは私に英語を教えてあげる。) to mean "Josh teaches me English." In that case, you have to use a helping verb, kureru, instead of ageru. We will cover the usage of kureru in the next lesson.

Which of the following statements is NOT correct?a. The urogenital diaphragm is a triangular plate located in the area of the urogenital triangleb. The perineum is composed mainly of muscles and fasciasc. The pelvic diaphragm forms the pelvic floord. The muscles of the perineum are covered by numerous fasciase. The coccygeus muscle does not contribute to the construction of the pelvic floor

After reading the paragraphs below, answer the questions that follow.Recent studies have shown that the onset of puberty in American girls has decreased from an average of 12-13 years of age to as young as 8-10. Many scientists who study premature puberty suggest that steroids in our food and in the environment may be contributing factors, since steroids are known to cross cell membranes and bind to receptors inside cells.Why are hormones present in our foods? Synthetic testosterone compounds (similar to those used by some athletes) make young animals gain weight faster so they are ready for market sooner. Female animals receive synthetic estrogen to inhibit the reproductive cycle and divert all energy into weight gain. In the United States, up to two-thirds of meat animals are raised using hormones. In addition, hormones are used to increase milk production in dairy cattle.Scientific investigation of the exact effects of environmental steroids on humans is extremely difficult since there are multiple sources of hormones in the environment. A valid study would require a control group who hasn't been exposed to the chemicals being studied. Since everyone has had some exposure to environmental hormones, no control group is available to use as a reference.How would you predict synthetic testosterone functions at the cellular level?a. synthetic testosterone likely binds to the testosterone receptorb. synthetic testosterone likely binds to testosterone

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