Justin notices a particular type of caterpillar feeds only on cottonwood trees in his neighborhood. In which way has Justin increased his scientific knowledge? He has made observations about the natural world.
He has used technology.
He has performed a practical experiment.
He has performed an unethical experiment.

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step-by-step explanation:

100%     = 120

1%= 120/100=   1.2

9%   = 1.2 x 9=     10.8

10.80 to the 120 to get $130.80

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.

the answer is b: an economic crisis throughout the country.