The cycle that involves the conversion of nitrogen gas into a usable form by bacteria is the:
a.
carbon cycle
b.
nitrogen cycle
c.
water cycled.
d.
none of the above

Where would you expect to see seedless plants, such as ferns and mosses? a. in a botanical museum, because they are all extinct b. low and close to the ground in a moist environment c. climbing high while circling the branches of another plant d. deeply rooted in a forest with a trunk that reaches 20 meters or more

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms