Question

(a) State the names of two elements that produce nuclear energy.
(b) What are high and low tides?

Answer 1

a)Two elements producing nuclear energy are Uranium and Thorium.
b) Tides are rise and fall of sea levels by combined gravitational effects of moon and sun together with the rotation of earth. High tides are associated with water rising to the highest levels after rise of seal level for hours (flood tide) and then the sea level falls for several hours during ebb tide and final water stops falling during the low tide.