Can SOMEONE JUST HELP ME ANSWER 1 AND 2 DAS ITT Select the correct answer from each drop-down menu. Complete the passage about the nitrogen cycle.

During nitrogen fixation, specialized bacteria living in Earth’s 1) convert nitrogen taken from the 2) onto ammonia. Another set of bacteria convert the ammonia to compounds called nitrates that plants and animals can use.

1. A. cryosphere, B. geosphere, C. atmosphere
2. A. hydrosphere, B. atmosphere, C. geosphere

sheep is a herbivore animal whereas grasshopper belongs to the class chordates but both of them feed on greens.  

if grasshopper and sheep feeding on a pasture land, i do not think both of them will have any impact on each other. however, the number of the species can make difference. since sheep feed on greens, there is a possibility there left no pasture land for the grasshoppers or they may get extinct.

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.

answer: dna

because all cells have genes