Which african american below invented an early version of the gas mask?
elijah mccoy
garrett morgan
granville woods
jan e. matzeliger

The segments shown below could form a triangle.

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

Select the correct answer from each 1. ( )was a nineteenth-century artistic movement that influenced nationalism in europe. it emerged as a reaction to the emphasis on 2. ( ) in enlightenment philosophy. 1. liberalism, socialism, romanticism 2. reason, emotion, religion