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.
False, Xylem transports water.
The right answer is the burning of fossil fuels.
While all these proposals have a bad impact on the biosphere, Proposal B is the only one that has a direct link to climate change.
Air pollution by combustion is an alteration of air quality that can be characterized by measurements of chemical, biological or physical pollutants present in the air, with consequences that are detrimental to human health, to living beings , climate, or material goods.
Limits to variation The most obvious limit to natural selection is that suitable variation may not be available. This may be because certain phenotypes cannot be built, being ruled out either by physical law or by the properties of biological materials.
