Rocks from which source would most likely contain the highest percentage of silicate minerals?
1. Ocean Basin
2. Volcanic Island
3. Mid ocean Range
4. A mountain in the middle of a continent

Previous pagenext pagepage 3 ofquestion 3 (1 point)which of the following consist of cells that do not have a nucleus? of the above

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

Which of the following is not a defining characteristic of plants?