Why is phosphorus considered a micronutrient ?

answer in 2 sentences

Because it is needed inside the organism in smaller quantities, in contrast with macronutrients wich are needed in great amounts.

Explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

a chair, a bed, and a toothbrush

explanation:

i was told this before by a teacher, so yeah