Answer:
refraction
Explanation:
refraction happens when a wave passes from one medium to another at an angle
B. Protein rich beans. The salads need to have protein in order to maintain a healthy diet.
Answer:
Use of oil and vinegar prevents spoilage of pickles because bacteria cannot live in such an environment. Vegetables, fruits, fish and meat are often preserved by this method.
<h2>Please mark me as brainlist.</h2>
<span>In 1998, the united states total expenditure on smoking-related health issues was $37.5 billion.
-false (</span><span>it is more)</span>
