N an ecosystem, some plants may convert atmospheric nitrogen into ammonia through a process called

a. transformation.

b. denitrification.

c. nitrogen fixation.

d. nitrogenous mutation.

Why does a mountain range often cause precipitation to fall A ocean currents can't flow through it B air must rise and cool to pass over it C The climate is generally cooler at higher elevations D the gravitational attraction of the mountains pulls

Which of the following is a common renewable resource found in deserts

What does the Calvin cycle do

Explain the difference between tropospheric ozone and stratospheric ozone.

Which statement correctly describes the nuclear envelope of a eukaryotic cell? See Concept 6.3 (Page 102) View Available Hint (s) Which statement correctly describes the nuclear envelope of a eukaryotic cell? See Concept 6.

Nucleotide are composed of phosphate group, a sugar, and a nitrogenous base. DNA is made up of long strands of nucleotide. which part if the above molecule can differ between nucleotide? A. the sugar B. the phosphate group C. the nitrogen group D.

What organ system detects stimuli, secretes chemical and electrical signals, and controls all other organs

Which tissue type allows for organ movement within the body

Explain the role of enzymes and how they affect the chemical reactions of living things

Many arthropods young do not look like adults and do not eat the same food as adults. how would this be an advantage in an environment where food is scarce