Which key term asserts that humans are part of, and dependent on, nature and that Earth’s life-support system exists for all species, not just for humans? a. Earth-centered worldview b. Human-centered worldview c. Life-centered worldview d. Environmental worldview

Kidney stones are tiny crystals of calcium or magnesium that block the narrow sections of the excretory system. which symptoms would a person with kidney stones experience? a. inability to store urine; pain in the bladder b. inability to store urine; pain in the urethra c. reduced urine flow; pain in the bladder d. reduced urine flow; pain in the urethra