Locate the element xenon (Xe) on the periodic table and click on the square. PLEASE HELP IT IS A TEST
What class of element is xenon found in?

nonmetal
halogen
noble gas
alkali metal
WITH ONE IS CORRECT

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

feral cats are estimated to eat tens of millions of native animals each night in australia

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.