Nucleotides. They are the building blocks of DNA.
Answer;
The amnion
Explanation;
-The amnion is a tough, thin membrane that surrounds a developing fetus in mammals, reptiles, and birds. It is the first of the three cavities (amnion, chorion and yolk sac) in the embryo and is formed on 8 dpc.
-In the human body, the amnion is the first of three cavities, including the chorion and yolk sac, that work together to keep the developing fetus nourished and protected.
-The amnion provides a protective environment in which the fetus' temperature is regulated and protects the fetus from friction caused by the mother's movements.
If a student rests and then squeezes a clothespin for one minute, will they be able to squeeze it more than someone that exercised before squeezing the pin for 1 minute?
Hope this helps!
The answer is...
B. Cooling as the lava runs down the mountain.
Hopefully, this helps you!!
