When an agency allocates and uses resources responsibly, the agency is practicing management. a) allocation b) conservation c) resource d) time e) quality control

Option B, Conservation

Explanation:

Conservation Management is a process in which an authority tries to use the available resources judicially with a perspective of fulfilling the requirements of current generation and thereby allocating /preserving resources for our future generation. This reduces the rate of resources depletion due to overconsumption

This practice of utilizing resources effectively is also termed as sustainability approach towards resource utilization.  

Hence, option B is correct

its the cell wall and the they are unique to plant

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.