A Punnett Square is used to predict the chances of an offspring to have its parents' traits. These squares are most commonly divided into four parts, with each part equaling a 25% chance of the offspring receiving that set of genes.
They create a different substance because on the periodic table each substance has a certain amount of protons and if you add or take away protons and/or electrons it will create a different substance. For Example Nickel has 28 protons but if you add 2 more you get zinc and that has 30 protons. Another Example is
what if you have Titanium which has 22 protons and take away 2 you get Calcium which has 20 protons.
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ps: The periodic table is attached as a picture to this answer
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"AB84"
False, it was 1670 when they first saw bacteria.
I think it’s c I’m not very sure
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PNS and SNS</h2>
Explanation:
Parasympathetic nervous system (PNS)
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In the event that the blood pressure is increased because of any explanation, it is detected by the baroreceptor system
- The baroreceptor reflex invigorates is the part of the parasympathetic nervous system
- The PSNS causes reflation of veins, decreasing total peripheral resistance. It also decrease the heart rate
Sympathetic nervous system (SNS)
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Heart rate and blood volume are regulated by the interrelated activities of the sympathetic nervous system (SNS) and the renin-angiotensin-aldosterone system (RAAS)
- The SNS is improperly dynamic in obesity and <em>hypertension</em> and plays a causal or permissive role in all types of chronic hypertension