Answer:
Plants undergo photosynthesis, which is the process where carbon dioxide, water, and sunlight are transformed into sugar and oxygen. Even though they look different than terrestrial (land) plants, aquatic plants, or plants that live on the water's surface or submerged underwater, also undergo photosynthesis.
Very simple. You can't renew it. Which one of the options seem like you cannot renew the resource in a reasonable amount of time?<span />
Parent rocks.
( I got it wrong when I put Inorganic materials)
I don’t understand the question but if I can make a correct inference, they have thorns to protect themselves from predators.