It is because he knew, that was a good breed of plant (High variety)....so he did not want to waste that gene's capacity by hybridization with some other factors....
Period marks the end of one menstual......
Answer:
Prokaryotes play several roles in the nitrogen cycle. Nitrogen-fixing bacteria in the soil and within the root nodules of some plants convert nitrogen gas in the atmosphere to ammonia. Nitrifying bacteria convert ammonia to nitrites or nitrates. ... Denitrifying bacteria converts nitrates back to nitrogen gas.
Explanation:
<span>A scientist is determining the age of a rock by comparing their position to other rock layers. By doing this, the scientist is determining the relative age of the rock. </span>
