Solution:
Nitrogen is important because, it helps us grow crops, and it produces grass for animal. It comes from lightning and is named nitrogen fixation
By which free nitrogen (N2) is extracted from the atmosphere and converted (fixed) into nitrogen compounds which are plant nutrients (fertilizer). In nature, this process is carried out by certain bacteria (present in the root nodules of legumes such as beans and peas), blue-green algae, and the lightning flash.
Thus the Nitrogen form the atmosphere the biotic part to the ecosystem converted into the biotic part.
Answer:
the diagram shows the body structures that are similar though in different species due to common ancestry, this evidence is comparative anatomy.
Liver
In pediatric patients, the liver and spleen are very large in
proportion to the size of the abdominal cavity and are more easily injured. The
soft, flexible ribs of infants and young children do not protect these two
organs very well and may allow injury to underlying organs, even without fracturing
the ribs.
Answer:
How Giant Tube Worms Survive at Hydro thermal Vents. In a process called chemo-synthesis, symbiotic bacteria inside the tube worm use hydrogen sulfide spewed from the vents as an energy source for themselves and for the worms.
Explanation:
