To prevent blood flowing back after each heartbeat. They ensure that the blood flows only in one direction (back to the heart).
Weaker gel concentration could make the lines on the graphs closer together
Answer:
Adaptation
Explanation:
Some beaks made it easier for the type of food that bird was trying to get, for example the sharper the beak the better it could possible break a nut
Carlos will have to consume about 63 gram of protein per day.
The dietary reference intake of protein is 0.8 gram of protein per kilogram body weight or 0.36 gram per pound. Carlos is 175 pounds in weight, so he is going to need 0.36 * 175 = 63. Thus, Carlos needs 63 grams of protein per day.<span />
Answer: 50%
Explanation: just answered this question
