Answer
C) Viruses need a host to survive
E, D, and C I believe. It has been a while since I took this class.
The answer is; B
As air cools, its capacity to hold moisture reduces. This is is why as warm humid air cools, it reaches a saturation point, and the water moisture begins to form droplets. These droplets form clouds in the atmosphere.
The range of a set of data is the difference between the highest and lowest values in the set.
And to find the range, first order the data from least to greatest. Then subtract the smallest value from the largest value in the set.
The correct option is C.
When a dog is afraid, its ears are usually pinned back to the head. A dog showing aggression will pulled its ear up and forward.
Other signs that a dog shows when it is afraid include: lowering of the head, wrinkling of the nose, curled lips that show many teeth, tucked tail, panting, etc.
Signs show by an aggressive dog include: head held high, curled lips only show the front teeth, tail is upright and stiff, no panting, etc.
