Which of the following activities below shows a heterogeneous mixture? * A. Mark Angelo prepares a mixture of vinegar and soy sauce.
B. Zaywon dissolves sugar in a hot water.
C. Cassey washes a cup of rice grain in a rice cooker.
D. Jasmine prepares a dough to bake pandesal.

i might be wrong but i think its a. let me know if i’m right and have a good rest of your day!

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.