Promote Renewable Energy: Shift to solar, wind, and other renewable sources to reduce dependency on fossil fuels.
Conservation Practices: Adopt soil and water conservation methods to ensure the sustainable use of natural resources.
If vector \( \mathbf{a} = 3 \hat{i} + 2 \hat{j} - \hat{k} \) \text{ and } \( \mathbf{b} = \hat{i} - \hat{j} + \hat{k} \), then which of the following is correct?