A. Water excretion by kidneys and vasoconstriction of blood vessels B. Water reabsorption by kidneys and vasodilation of blood vessels
C. Water reabsorption by kidneys and vasoconstriction of blood vessels
D. Water excretion by kidneys and vasodilation of blood vessels

Sydney drew a flow chart to illustrate the nitrogen cycle.which labels best complete the flow chart? x: producers undergo photosynthesis.y: nitrogen compounds are released into the air.x: nitrogen compounds are released into the air.y: producers undergo photosynthesis.x: free nitrogen is in the atmosphere.y: producers absorb nitrogen compounds through their roots.x: producers absorb nitrogen compounds through their roots.y: free nitrogen is in the atmosphere.

In the practice of science, this type of reasoning is used to develop explanations.

Which is a function of vascular tissue? a. to perform photosynthesis b. to transport water and nutrients c. to absorb minerals and sugar d. to interact with soil fungi