Arrange the following group 2 elements from the least reactive to the most reactive. a) Beryllium, Magnesium, Calcium
b) Calcium, Magnesium, Beryllium
c) Magnesium, Calcium, Beryllium
d) Beryllium, Calcium, Magnesium

This is a mixture that has the same composition throughout.

Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.

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