Answer & Explanation :
A dialectical tension is opposition / contradiction in behaviour of a couple.
Oppositions are antonym of each others, act as cancelation or undo to each other. They are mutually exclusive & mutually exhaustive. They can be related to their internal, external conflicting issues.
Examples :
- Openness v/s non openness
- Connection v/s autonomy
- Dominance v/s submissiveness
- Predictability v/s Novelty
- Integration v/s Seperation
- Expression v/s Privacy
- Stability v/s Change
Sinoatrial node part of the autonomic nervous system adjusts the heart rate and the arteriole diameter to regulate blood pressure through negative feedback
The SA (sinoatrial) node is generates an electrical signal that can causes the upper heart of the chambers (atria) to contract. The signal and then passes through the AV (atrioventricular) node to the lower of the heart chambers (ventricles), causing them to contract, or to pump. The SA node is considered the pacemaker of heart.
The sinus node continuously generates electrical impulses, thereby setting the normal rhythm and also rate in a healthy heart. Hence, the SA node is also referred to as the natural pacemaker of the heart
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Answer 1 : ( C ) the burning of fossil fuels has created acid rain.
Answer 2 : ( C ) Greenhouse effect.
Answer:
The birth of a baby causes stress, increased responsibility and even sleep deprivation. Which makes new parents unhappy about many points in their lives, including marriage.
Explanation:
The arrival of a baby is accompanied by difficult and stressful days. The baby increases the responsibility of the new parents who, besides having to take care of the baby, need to take care of the house, the housework, work, pay bills, among other things. Stress at this time can take high levels and make parents sad, tired and unhappy with their lives. All this trouble and tiredness begins to take hold of many areas in the life of new parents, including marriage. Therefore we can say that it is not uncommon that many parents are not content with marriage three years after the birth of the baby.
He most likely suffers from "sleep apnea".
Sleep apnea is a possibly genuine re sleep issue in which breathing more than once stops and begins. On the off chance that you snore noisily and feel tired even following an entire night's rest, you may have sleep apnea. The principle kinds of sleep apnea are: Obstructive sleep apnea, the more typical shape that happens when throat muscles relax.
