People who eat large amounts of seaweed can consume toxic levels of which trace mineral?

Briefly Explain Osmosis. this can be done in a sentence, no need to give multiple examples or anything, just tell me what it is (in full  but no essay required)

Adult men need how much total water intake per day?

Consumption of a diet high in salt by a healthy individual will

Magnesium is provided in the diet primarily by

Three resistors R1 = 81.6 Ω, R2 = 23.7 Ω, R3 = 70.0 Ω, and two batteries 1 = 40.0 V, and 2 = 352 V are connected as shown in the diagram below. What is the current and potential difference across R3?   

The amount of water in each compartment mainly is controlled by

A severe iodide deficiency during early pregnancy may result in an infant afflicted with

John and Mary have the same body weight. Who is likely to have a higher percent body water?

Which of the following foods is highest in selenium?