Part D Today, coral reefs cover approximately 284,300 square kilometers, Corals depend on calcium carbonate to build their
skeletons. Some scientists predict that by 2050, only 15% of coral reefs will have sufficient levels of calcium carbonate
required for growth. By these estimates, how many square kilometers of coral reefs will be damaged by low calcium
carbonate levels? Show your calculations,

What factors influenced brazil's current and future economic strength?

Is a state government creates a new tax to fund schools a example of checks and balances

Which of the following statements best describes what is occurring in the land surrounding the sahara desert? a desertification is increasing, and the desert is expanding. b. fewer people are trying to farm in this semiarid region. c. the desert is shrinking with the increased use of irrigation. d. increased urbanization has resulted in decreased deforestation. select the best answer from the choices provided mark this and return save and exit next submit