emulsion

"Separate the articles from the headings."

"Because her skin is very photosensitive, she always wears sunscreen and a hat when she goes outside. "

"Her skin was covered with tiny scratches."

"The photograph of the class showed everyone smiling during the school trip. "

"accurate knowledge"

"The underneath of the aircraft was painted blue."

"The magician was revealing his trick by showing how the disappearing box worked. "

"A mixture of oil, water, and mercury forms three immiscible layers."

"The store is temporarily closed for renovations. "

"He knocked vigorously on the door."

"suspension from a hook"

"My sandwich was delicious because I used plenty of mayonnaise. "