The stratospheric ozone ( o 3 ) layer to protect us from harmful ultraviolet radiation. it does so by absorbing ultraviolet light and falling apart into an o 2 molecule and an oxygen atom, a process known as photodissociation. o 3 (g)→ o 2 (g)+o(g)

Needed fast 15 points the process of natural selection favors certain characteristics in organisms, while it selects against other characteristics. what would happen if there was zero variation between all of the organisms on earth? a.organisms would evolve to increase variety b.natural selection would operate faster c.less food would be available d.evolution through natural selection would not occur

Brazilians, like the u.s., communicate directly and you have to be careful with the use of slang. their communication style is a.low-context b. high-context

What did the native title act do? a. it recognized and protected aboriginal rights to land. b. it stated that aborigines were to be counted as part of the census. c. it established aboriginal languages as official. d. it granted aborigines suffrage.