Stress,alcohlo and drugs, not sleep..medications...food and nutrition
the ability to be subconsciously stimulated by your surroundings whether positive or negative.
oxidation number
The effects of forces are materials can be either positive or negative. Positive effects include the ability to stop due to friction.
Keeping animals in zoos has a positive and negative effect on the environment. By having endangered species, it allows breeding and a "safe house" for them. Its negative because it lessens the amount of natural animals. Animals in captivity lose the ability to survive in the wild. hope this helps :p
Blood types have absolutely no impact on the ability to conceive.
the northern blockade severely affected the south's ability to export its cotton
Okay! I shall! Gosh, this is hard.... never mind!
Oxidation Number
The ability to cope-up or withstand the emotional change, whether positive or negative, is known as coping with emotions.
positive feedback is when you are given praise and told of the good points of both yourself your ability and how well you are doing negative feedback is basically the oposite you get informed of the bsd points or points that you need to improve on
Modern medicine is positive in the ability to cure many conditions and diseases that were incurable in the past. A negative aspect of it is the cost. Technology has improved the quality of care at a cost.
Neither. Alloreactivity has to do with a lymphocytes reacting to a foreign antigen. Positive and negative selection are processes of central tolerance which is to say that they deal with a T cell's ability to bind self-antigen.