The true statement among the statements given is " Inner and outer planet composition supports the nebular theory because heavier elements condense close to the Sun, and lighter <span>elements condense at cooler temperatures". This is why terrestrial planets like Earth, Mars, Venus, and Mercury are closest to the sun and are very dense.</span>
<span>Race and Ethnicity are words people use when discussing a whole variety of issues. It could be about your past heritage, seeing where you came from to identifying different cultural groups. Race refers to the different characteristics that we, as humans have that make us part of a group. Ethnicity refers to the belonging of that group through our attitudes from the way we speak to our traditions.</span>
Do back round research. Providing back round research with your evidence
can help support your claim for your experimentation and so on.
The rhythm which shows a normal rate, normal QRS and PRI durations, and an absent beat or beats is sinus pause.
When there are periods of three seconds or longer without atrial activity, it is called a sinus pause or arrest. This is frequently saved by an escape rhythm, which might have ventricular, junctional, or atrial origins. There is a 3 second beat pause, although this pause is normal if the time does not go beyond 3 second.
Hyperkalemia, high vagal tone, ischemic, inflammatory, or infiltrative or fibrotic illness of the SA node, as well as other conditions, can cause sinus pause. it is also known as sinus arrest, and exit block.
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