Will give brainliest Scientists have discovered that the inner core of Earth is a solid while the outer core is a liquid. What is the cause of this observation?

The outer core has a higher temperature and more pressure than the inner core
The outer core has a lower temperature and lower pressure than the inner core
The inner core has a lower temperature and higher pressure than the outer core
The inner core has a higher temperature and lower pressure than the outer core

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Adoctor administers a drug to a 38-kg patient, using a dosage formula of 50 mg/kg/day. assume that the drug is available in a 100 mg per 5 ml suspension or in 500 mg tablets. a. how many tablets should a 38-kg patient take every four hours? b. the suspension with a drop factor of 10 ggt/ml delivers the drug intravenously to the patient over a twelve-hour period. what flow rate should be used in units of ggt/hr? a. the patient should take nothing pills every four hours. (type an integer or decimal rounded to the nearest hundredth as needed.)

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?