The green revolution has improved global agricultural output. Which of the following best describes the author's perspective on the beginning of the green revolution in the 1970s and 1980s?

The sun a. will become a red giant within two to three million years b. is in its main sequence, which willlast thousands of years c. is in its main sequence, which will last billions of years. d. will explode as a supernova after its main sequence

Which excerpt from act iv of hamlet best provides evidence of the theme’s development?

Aschool principal trying to find out if parents will buy new playground equipment shows digital leadership by