If there are respiring organisms within that sample of air, the partial pressure of oxygen decreases because the organisms utilize it for respiration activities.
Answer:B i searched i up so it is not
prob correct
Explanation:
Soil nutrients are important to photosynthesis because they <u>help with chlorophyll </u><u>formation</u><u>.</u>
D) some of the light passes through and some of the light is reflected by the object
B. How far do butterflies migrate
A, C and D are opinions not facts.
