True. Especially if you are a visual learner. The models help explain the world in a easier way. Words is another method teachers and people use. But models make it fun and more understanding
The correct answer is - hierarchical
Each entry in a(n) hierarchical database has one parent node, with the parent node having several child nodes.
A hierarchical database model is a data model where the data is organized into a tree like structure. The data is stored as records and these are connected to one another through links.
Answer:
Photosynthesis releases oxygen
Explanation:
and oxygen is used for breathing if you didn't know :D
The answer would definitely be tree
The answer is; A
Nebulae are clouds of dust and gas in space. When local areas in nebulae start to collapse under their own weight and fusion begins, a star is born. This, therefore, means that a star is denser than nebulae because it requires that atoms fuse for it to form. Fusion creates heavier atoms from light atoms.
