Problem: Does "The decay of uranium, thorium, and potassium-40 in the Earth's mantle is thought to be the main source of heat that keeps the outer core liquid and drives mantle convection, which in turn drives plate tectonics." answer the question "Along with potassium-40 and uranium, the decay of what element is a primary heat source driving plate tectonics?"

A: yes

Problem: Does "The per capita disposable income of urbanites in Zhejiang reached 24,611 yuan (US$3,603) in 2009, an annual real growth of 8.3%." answer the question "What was the annual real growth of urbanites in Zhejiang in 2009?"

A: yes

Problem: Does "Excess water intake, without replenishment of sodium and potassium salts, leads to hyponatremia, which can further lead to water intoxication at more dangerous levels." answer the question "Hyponatremia is the term that refers to which action by a human?"

A:
yes