Answer:
Renewable Resources : Trees, Wind Energy, Water, Wheat, Sun Energy, Air, Geothermal Energy, Biomass energy, Wood, Animals.
Non-Renewable Resources : Coal, Oil, Petroleum, Natural Gas.
Not 100% sure which Nuclear Energy is.
Explanation:
Answer : The correct option is, C.
Explanation :
pH meter : It is an electric device which measure the concentration of hydrogen-ion in the solution. It also measure the acidity or alkalinity of water in the solution.
Therefore, the purpose of student for testing the lake water is to understand how people use it in their daily-life. As this will help him to analyse the quality of lake water whether, it is fit for use or not.
D.) Atoms are always in motion
<span>Therefore, the atomic number of Helium is 2.</span>