Your answer would be <em><u>D. refrigerator coils keeping the refrigerator cold</u></em>
Answer:
B.
Explanation:
Because a Longitudinal wave is a wave vibrating in the direction of propagation.
Answer: papillary muscle
Chordae tendinae is a connective tissue that used to prevent the heart valve to be flapped away. It like a string that connected into the valve and makes it look like a kite. Papillary muscle is the part that anchoring it to the heart wall.
Answer:
crushing, roasting, magnetic, speparatipn, flotation, and leaching.
Explanation:
typical beneficiation processes include crushing, roasting, magnetic separation, flotation, and leaching. Second, additional processes such as smelting and alloying are used to produce the metal that is to be <u><em>fabricated into parts that are eventually assembled into a product.</em></u>
