The answer is body's physiological reaction to any demand that is placed on it
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Hans selye describe a stress as responses of the body to any changes of demand. The response of the body to the demand could be harmful as it could lead to some disease like stomach ulcer. It is important to know what your stress source and manage it before the stress start to harm your body.
Answer:
Forceps should be used because directly touching the substance and dropping it into the acid with your hands can cause harm to yourself, and it can also prevent contamination of the substance.
What video ? Could you provide the link I am confused
Answer:
I think its chemical energy is not required because passive transport doesn't need energy at all
The bell shaped curve indicates polygenic traits. A polygenic trait is controlled by multiple alleles. Hope this makes sense :)
