Answer:
Closed Chain
Explanation:
A closed chain refers to a position where the most distal aspects of a given extremity are fixed to the earth or another solid object. This fixed position alters the movement of the joints and surrounding musculature up the chain.
That is a DNA strand. If im not wrong i think its protiens or carbohydrates
The warm air will rise because cold air is heavier than warm air.
Energy! We all are made of energy if you didn’t know !
