11. in a long bone, such as the femur in the leg, the center of the bone contains which substance, responsible for producing blood
cells?
o a. plasma
b. ligaments
c. marrow
o d. synovial fluid

Abnormal softening of a gland is known as

Why does bubbling occur when vinegar mixed with baking soda

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers