Building Vocabulary: Word Roots, Affixes, and Reference Materials — Unit test Answers

The principal objective of our booster club is to raise money for new marching band uniforms.Which definition best helps readers find the correct meaning of principal in this sentence?

Which word contains a suffix?

Read the sentence.I could tell by the mischievous gleam in their eyes and the sneaky looks they were exchanging that my little brother and sister had been planning to deceive me in some way.

Read the excerpt from Greta Thunberg’s speech at the United Nations Climate Action Summit.So a 50% risk is simply not acceptable to us—we who have to live with the consequences. To have a 67% chance of staying below a 1.5 degrees global temperature rise—the best odds given by the [Intergovernmental Panel on Climate Change]—the world had 420 gigatons of CO2 left to emit back on January 1, 2018. Today that figure is already down to less than 350 gigatons. How dare you pretend that this can be solved with just "business as usual” and some technical solutions? With today’s emissions levels, that remaining CO2 budget will be entirely gone within less than 8 1/2 years.

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