A. Resize
By dragging the border of a field or record, you are either enlarging it or compressing it. Choices "b" and "d" are only half correct, as there is always the possibility of making it smaller. Hope this helps!
1. Every region doesnt get the same amount of sunlight as the rest due to whether or location an example would be that a region with alot of rain could have clouds that wouldnt let the solar panels to absorb as much sunlight as a more dry and sunny place
2 wind farms can be used to store energy for a power outage and a way to lower the cost of electricity to a farmer
3 using hydro energy requires people to build a dam that pours the water over a mill that rotates and stores energy from it
4 a type of waste created by nuclear power plants would be daily uses that have radiation such as plastic containers ,gloves , disposable overalls, boots or just plain radioactive waste.
5 would be the total mass of organisms in a given area or volume
6 is a process to further limit carbon dioxide emissions from burning coal
7 is basically the means to tap into energy savings that over time become an asset
8 turning down the water heater thermostat and turning off lights when not in use can save energy
9 smart grids use timing grid to determine how long you use electricity for and for how much you used
Answer:
For undirected graph n(n-1) for directed graph 
Explanation:
The maximum number of edges for a undirected graph is given by
, where n is number of vertices
The maximum number of edges in directed graph is given by
, where n is number of vertices
The maximum number of edges is greater in undirected graph than directed graph
A compound microscope uses multiple lenses to magnify an image for an observer. It is made of two convex lenses: the first, the ocular lens, is close to the eye; the second is the objective lens. Compound microscopes are much larger, heavier and more expensive than simple microscopes because of the multiple lenses.