Which statement describes osmosis? A.
The water particles move away from the hypertonic solution towards the isotonic solution until they both become hypotonic.

B.
The water particles move away from the hypotonic solution towards the hypertonic solution until they both become isotonic.

C.
The water particles move away from the hypotonic solution towards the isotonic solution until they both become hypertonic.

D.
The water particles move away from the hypertonic solution towards the hypotonic solution until they both become isotonic.

the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.