I need help and 25 points and brainliest

What type of electromagnetic radiation has a shorter wavelength than blue light

How many atoms are in 2 moles of phosphorus

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