In humans, chemical digestion is accomplished by enzyme action that begins in the mouth and ends in t

If a || b and e || f, what is the value of y ?

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread