Phosphorus is an essential nutrient for plants and animals. phosphorus normally occurs in nature as part of a phosphate ion (po4)3. as you can see from the diagram of the phosphorus cycle, unlike many other biogeochemical cycles, the does/do not play a significant role in the movement of phosphorus.
a) oceans
b) atmosphere
c) groundwater
d) food chains

answer by yourhope:

hi! : )

in which structure in the nucleus are ribosomes made?

b) nucleolus!

: )

for a different answer set the answer would be because the oxygen in the water had depleted (apex)

in the initial assessment of breathing, signs of respiratory distress must be noted (if present), such as the use of accessory muscles for breathing, abdominal breathing and grunting respiration. next, respiratory rate must be observed. increasing breathing rate may be a sign of sickness.