Early vehicle emission control devices held back the _?_ to reduce emissions by altering the operation of the advance devices on the distributors. A. oxidizing catalyst
B. air injection pulse
C. ignition timing
D. None of the above.

Which statement about landscaping by thomas cole, vincent van gogh, shen zhou, and ansel adams are true? choose all answers that are correct. a. adams manipulated values in his photographs to capture how he felt about a landscape. b. cole made realistic landscapes that lack symbolic or moralistic meaning. c. shen used expressive brushstrokes to build up objects and used washes to fill larger areas. d. van gogh used intense color, bold brushwork, and distorted forms to express his emotions.

Choose the word with stronger connotation to repleace the word scared a) terrified b) distressed c) frightened d) worried

Mesoamerican lives were regulated by all of the following except: