Answer:
Human blood contains a buffer of carbonic acid (H2CO3) and bicarbonate anion (HCO3-) in order to maintain blood pH between 7.35 and 7.45, as a value higher than 7.8 or lower than 6.8 can lead to death. In this buffer, hydronium and bicarbonate anion are in equilibrium with carbonic acid.
In Indian cuisine, sometimes a papaya is added to make meat cook faster. Why does this method work?
A- Papaya helps increase the temperature of the meat, hastening the cooking process.
B-Papaya has the enzyme papain, which tenders the meat tissues, hastening the cooking process
<u>
C-Papaya has the enzyme papain, which increases the pH of the meat recipe, hastening the cooking process.</u>
<u>plz mark as brainliest</u>
.. what where the options if the question is saying select all that apply?
<u>Answer</u>: Natural selection.
<u>Explanation</u>:
- The concept of <em>natural selection</em> was given by <em>Charles Darwin.</em>
- According to this concept, in a given environment the organisms that possess <em>better adaptations</em> have<em> higher chances of survival</em> and, leave behind a <em>greater number of progenies</em>.
- When malaria outbreak occurs, the allele frequencies change and only the organisms that possess the alleles which help them to <em>survive</em> this outbreak due to resistance against malarial infection will be selected by nature and<em> hence, this is an example of natural selection.</em>
<span>Answer:
Careful observation can lead to consolations even though the underlining reason or mechanism behind the phenomenon is unknown</span>