Oxygenated (arterial) blood is bright red, while dexoygenated (venous) blood is dark reddish-purple. The difference is color results from the electronic state of the iron ion (ferrous vs ferric), which in turn influences the π → π* and n → π* electronic transitions of porphyrin and hence its optical characteristics.
Answer:
Faster
Explanation:
Because you are faster on the first day
B is the right answer ...............................................................
.
Answer:
c. is based on the average daily energy needs of a healthy person
Explanation:
The estimated energy requirement is a measure that aims to report on the average energy intake that each individual should have in their diet to maintain an appropriate percentage of energy in their body. The estimated energy requirement of each person varies according to various factors, such as age, gender, height, weight, stamina, sports, among others, and this estimate is the first step for those who want to lose (or gain!) Weight. . The estimated energy requirement is based on the average daily energy requirement of a healthy person.
