C ........................
Answer:
In seedless vascular plants, such as ferns and horsetails, the plants reproduce using haploid, unicellular spores instead of seeds. The spores are very lightweight (unlike many seeds), which allows for their easy dispersion in the wind and for the plants to spread to new habitats.
The answer is (2)
(1) and (3) are obviously wrong.
If thy stop reproducing then the whole population could die and (3) is just crazy.
(4) is also inncorrect because of they run out of foo then they all will die.
(2) is the one that makes the most sense
Answer:
Because, Air (or any gas) takes up space in water, just like solids. Air (or any gas) is less dense than water, so gas bubbles float to the top of water.
