What part of the joint cavity lubricates the joint, supplies nutrients, removes metabolic wastes, and absorbs shock

What is the relationship between absorbance of light and the rate of photosynthesis?

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land

What type of plant is good for a bioassay and where can i buy it? i only have a month.