Chitin - part of insects hard body and part of fungus
Cellulose - part of plant cell walls
Pectin - also part of plant cell walls
Answer:
the right awnser is 3 b and 1 w vote brainliest this is right.
Explanation:
Answer:
Prime attributes are the attributes of the candidate key which defines the uniqueness
Photosynthesis takes in carbon dioxide & lets out oxygen & glucose
