José María necesita estudiar francés.  Él ________________________________ (He needs to study it.)

Mi mamá va _______ aeropuerto para recoger (pick up) mis abuelos.

¿________________ dinero tiene Bill Gates?

Fats are digested by enzymes called

Yo no tomo vino. Yo ___________________________. (I don’t drink it)

I leave at 8:00. (salir)

Blood pH is

The patella and femur form a ___ joint.

Isotopes differ fron each other only in the number of electrons contained

The lower the pH, the higher the hydrogen ion conentration.