List of top Global and Regional Environmental Issues Questions on Air, water and soil pollution: Effects

A boiler in an industry, located where high plume rise is expected, releases flue gas with fine particulate matter. Which one of the following options is most suited and efficient if this particulate matter is intended for reuse?

Match the following: \[ \begin{aligned} \text{J) Dalton’s law} & & i) \, \text{Diffusion} \\ \text{K) Fick’s law} & & ii) \, \text{Pressure exerted by a mixture of gases} \\ \text{L) Henry’s law} & & iii) \, \text{Gravitational settling} \\ \text{M) Stoke’s law} & & iv) \, \text{Gas-liquid phase transfer} \\ \end{aligned} \]

Read the following statements: I. Trivalent chromium has relatively low aqueous solubility, and low mobility in the soil environment. By contrast, hexavalent chromium has a higher aqueous solubility and greater mobility in the soil environment.
II. The chemical reaction between trivalent chromium and zero-valent iron will result in transformed version called hexavalent chromium.
III. Hexavalent chromium is a known carcinogen.
IV. Trivalent chromium has relatively higher human toxicity as compared to hexavalent chromium.
The correct choice is:

Carbon cycle, nitrogen cycle and phosphorus cycle play important roles in ecosystems. Which of the following statement(s) is/are NOT correct about the phosphorus cycle?

Which one of the following statements is correct regarding Global warming?