Photosynthesis creates glucose and oxygen. used for humans to inhale and then exhale carbon dioxide to go back into plants and redo this cycle.
Answer:
D
Explanation:
A robin building a nest is not learned or taught like the others. It is just instinctive for robins to build nests.
1 - introduced to a habitat similar to their own
3 - outcompete native species
4 - generally have no native predators
6 - often have high reproductive rates
8 - can tolerate a range of conditions
Because water helps plants grow