To prevent blood flowing back after each heartbeat. They ensure that the blood flows only in one direction (back to the heart).
Answer:
I going to take Buzzfeed quizzes to find out what kind of pizza I am :)
Explanation:
Answer:
Your DNA could stretch from the earth to the sun and back ~600 times. ...
We're all 99.9 percent alike. ...
Genes make up only about 3 percent of your DNA. ...
A DNA test can reveal you're more Irish than your siblings. ...
The human genome contains 3 billion base pairs of DNA. ...
Your DNA could link you to places you'd never imagine.
Explanation:
i hope this helps! :)
The best answer to choose would be — “Weak winds that blow for short periods of time with a short fetch.”
Few factors determinate size of surfing waves:
1The weaker the wind speed, the shorter the wave.
The shorter amount of time that the wind blows, the shorter the wave.
Concluding my statement, and in opposition to the answer, it is the stronger winds along with a long period of time those winds with a long fetch that will be able to make the biggest waves.
