Question 20 0.4 pts 20. What was Thomas Malthus' occupation ? 1. political economist
2. ecologists
3.population biologist
4. anthropologist

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Read the sentence. “yesterday we arrived late for the outdoor concert in the city gardens.” which words in the sentence are adverbs? a. late; city b. yesterday; outdoor c. yesterday; late d. outdoor; city

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13