(Q).
Being burried under soil and mud changes peat into coal through extreme heat and pressure in a swamp over a long period of time, and fens form non-acidic peat. Given these facts, being burried under soil and mud changes how what forms among the following options: - cacti - deltas - fens - potash - bamboo - rivers - roots - mildew
(A).
fens

(Q).
Macroevolution is evolution over geologic time above the level of the species, and microevolution leading to macroevolution, discussed earlier, is one example. Given these facts, what happens over time among the following options: - root growth - Change colors - relocation - evolution - gases - erosion - fossils - reproduction
(A).
evolution

(Q).
Aflashlight requires a source of electricity to produce light, and battery can be tested with flashlight. Given these facts, a battery is a source of what that is able to produce light among the following options: - energy - wire - radiation - heat energy - sunlight - oil - electricity - Solar energy
(A).
electricity