Plant cells have a large central vacuole, which animal cells lack. what function does this organelle perform?
a) it stores energy for the plant to use later.
b) it provides rigidity to the plant cell when filled with water.
c) it the plant to prepare food in the presence of sunlight.
d) it the plant to release carbon dioxide as a byproduct of photosynthesis.

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project