Answer:
All the noble gases in group 18 of the periodic table are stable in nature because they have complete octet configuration.
they are:
- Helium (He)
- Neon (Ne)
- Argon (Ar)
- krypton ( kr )
- radon
- Xenon
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Answer:
The inferior region of the brain stem, the <u>medulla oblongota</u> houses many vital autonomic centers involved in the control of heart rate, respiratory rhythm, and blood pressure.
Explanation:
The medulla oblongata is the part of the brain that joins the spinal cord and forms the lower part of the brain stem. In the bulb there are ascending (sensory) and descending (motor) fascicles that communicate the spinal cord with the brain, in addition to numerous nuclei or centers (masses of gray matter) that regulate various vital functions. The medulla oblongata has the function of controlling vital and unconscious elements such as the heartbeat and blood pressure. Thus, it is responsible for maintaining the heart rate and regulating vasoconstriction. Also, it manages the control of respiratory function, maintaining it at all times.
A mutation is a change in a gene
It's the same because the lungs only filter out oxygen from the atmosphere, and the nitrogen is exhaled along with Carbon Dioxide.
The answer is D. Founders effect happens when a couple of people wind up disengaged from a bigger populace and set up another populace whose quality pool isn't illustrative of the first populace. An author impact happens when another state is begun by a couple of individuals from the first populace.