Final answer:
Foods rich in monounsaturated fatty acids include olive oil and cashew nuts. Olive oil is known for its high monounsaturated fat content, which is associated with heart health benefits like managing LDL cholesterol levels and reducing heart disease risk.
Step-by-step explanation:
Among the options given, the foods rich in monounsaturated fatty acids are olive oil and cashew nuts. Monounsaturated fats are known for being heart-healthy and are found in liquid form at room temperature but start to solidify at refrigerator temperatures. Excellent sources of monounsaturated fats include nuts and seeds like almonds, pecans, and cashews; plant oils like canola, olive, and peanut oils; as well as avocados.
Olive oil is especially known for its high content of monounsaturated fats, which make it a staple in diets associated with good heart health, such as the Mediterranean diet. Not only do these fats help with managing LDL cholesterol levels, but they also contribute to a lower risk of heart disease.