B, ocean trenches are formed after a underwater volcano has erupted.<span />
Cells Can Replicate Their DNA Precisely. Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. DNAreplication is one of the most basicprocesses that occurs within a cell.
Answer:
The correct answer will be option-D
Explanation:
Arid areas are the regions of the world which can be marked with the lack of water conditions, high light intensity and very low rainfall.
Water is one of the primary requirement of the plant without which no plant can survive but the adaptability to the environment allows the existence of the life on earth.
There are known species of plants which are adaptive to such arid conditions.
If a farmer is interested in growing plants in such arid conditions hen he should select the plants which could better be adapted to survive in the arid conditions either by avoiding arid condition like storing water, low transpiration, extensive root system and many others.
Thus, Option-D is the correct answer.
Really it matters on which head you start the flip on. Whichever head you start with, there's a 51% chance to land on that one. If you start with heads, it would be 255 times.