Question

(iii) xy, 2x’y, 2xy? (iv) a, 2b,34 m) 3y (2y --
ii) 2p, 49, 87
(​

Answer 1

Step-by-step explanation:

Hydroelectricity, or hydroelectric power, is electricity produced from hydropower. In 2015, hydropower generated 16.6% of the world's total electricity and 70% of all renewable electricity, and was expected to increase by about 3.1% each year for the next 25 years.