What starts with “e” and ends with “e” but only has one letter in it? And yes i need this.

The combining form leuk/o means red true or false

The sea slug that considered to be a photosyntheesizing animal

The starting materials in a nuclear change have a total mass of 2.3465 x 10-27 kg. after the change, the resulting materials have a mass of 2.3148 x 10-27 kg. how much energy was released during the change? 2.85 x 10-12 2.08 * 10-10 j 0 211 * 10-10 j 8.56 * 10-43