Carbohydrates, fats, proteins: these organic molecules all have this element in common. this element can form multiple bonds, and it bonds with other elements as well as with itself. this element is

Carbon

Explanation:

Carbon is a component of all organic molecules such as proteins, fats, carbohydrates, etc.

Carbon has the ability to form multiple bonds as a result of the presence of 4 valence electrons in its outer shell. It has the capacity to form C-C single, double or triple bonds and also forms bonds with other elements.

50 inches should be the resultant vector

yup its correct its: c) b b