After taking her english final, natalie attempts to relax in her chair by meditating. she is attempting to reduce her heart and respiration rates, as well as her muscular tension. in this scenario, her physiological relaxation can be best attributed to the functioning of her nervous system. somatic central parasympathetic sympathetic

The correct answer is:  

Explanation

This system is the opposite of the sympathetic system which is a fight-to-fight response. The parasympathetic system is activated to reduce the anxiety and stress of a person. As the person is sitting, more blood circulates in the body organs than in the skeletal muscles resulting in positive psychological changes. It releases the hormones which lift the mood and cause a sense of relaxation.

helicase, i think thats it

answer: ice crystals in air

the water from the water body or another source of water gets evaporated as water vapor as an effect of heat on water. these water vapor rises in the upper layers of the earth atmosphere under high atmospheric pressure. the atmospheric pressure of these water molecules starts to decrease due to the effect of cold air. the invisible water vapor condenses into visible water droplets and ice crystals.these ice crystals and water droplets being less denser than the surrounding air floats on air as clouds.