Need element argon has valence electrons. (input only a whole number, such as 7.)

Identify and describe the three ways that mutations affect organisms.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

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