Double stranded is a characteristic of 1. DNA
2. RNA
3. Both DNA and RNA
4. Neither

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

Which is not a likely outcome after extensive irrigation of dry farmland? useless, unproductive soil salinization of the soil depletion of groundwater nutrient-rich soil

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?