HELP The mass of an iron bar is said to be 34.9 kg. This is an example of a property. *
extensive
respective
reflective
intensive

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

Idon’t know how to solve this question

Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals