ANSWER ASAP Which soft tissue creates all blood cells? A. the spleen
B. the thymus
C. the tonsils
D. bone marrow

D

Explanation:

Bone marrow contains stems cells which then turn into immature blood cells and they mature there. kinda like a school for young blood cells. they also make white blood cells and platelets.

D ( the bone marrow)

Explanation:

Bone marrow is soft, gelatinous tissue that fills the medullary cavities, the centers of bones.

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.