Explain 3 different ways seeds can be transported from location to another

1) by the wind
2) bY animals droplets after they eat it
3) pollination from bees/butterfly's/birds etc.

If you are walking in tall grass some seeds with stick to your cloths.If you blow on a dandelion the seeds will fly away (by air).Birds eat the seeds and in their droppings the seeds come out.

The statement that is true about the elongation of the leading strand during DNA synthesis is that it depends on the RNA fragments. The correct option among all the options that are given in the question is the first option or option "a". The reason is that the DNA Polymerase while adding the nucleotide does the editing as well. On adding a wrong base, the incorrect nucleotide must be removed immediately to avoid mutation.