<span>A. The African plate is breaking apart to form two separate plates.</span>
Answer:
B. Amplitude: 30cm; wavelength: 110cm
Answer:
The concentration of a substance is the quantity of solute present in a given quantity of solution.
A hairstreak butterfly my dear.
The disease is mainly caused by a lack of a slippery substance in the lungs called surfactant. This substance helps the lungs fill with air and keeps the air sacs from deflating. Surfactant is present when the lungs are fully developed.
https://medlineplus.gov/ency/article/001563.htm