The Earth's crust is made of rock, which is composed of minerals. Minerals are solid, naturally occurring non-living materials that have a structure of crystals. There are hundreds of different kinds of minerals, but about 90% of the ones on Earth are silicates. Silicate minerals include oxygen and silicon along with some other combination of elements like iron, aluminum or potassium. Since each mineral is made of different elements, each has a unique set of properties. For example, diamonds are very hard, iron is strong and halite (salt) tastes good on food. Which of the following is not true about minerals?
A They always include oxygen and silicon.
B They are naturally occurring materials.
C They each have unique properties.
D They have a crystalline structure.

I'm pretty sure it's A because it said 90% instead of all

Explanation:

A

Explanation:

the passage said about 90percent not all the mineral springs

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me before you gives us insight of life meaning in unique way. it answers question about what kind of life you want and people’s struggle to be in the ideal condition of worth living. the author, jojo moyes, was intrigued by the case of daniel james who persuaded to end his life after suffering for years.

it begins with louisa clark, a girl with boring life, lose her job at the café and start to stand on her feet by applying job as a private carer of disable man. the near location and the money they offer push her to come to the castle where the interview conducted. she was doubted by camilla traynor, a mother of quadriplegic man, with her inexperience but somehow, she is fully gain employed by camilla and her husband, steven traynor.

on the other hand, will traynor, the disable man louisa take care of, is not an easy man to catch. he has sharp comments with everything she has done and seems unreachable. as time passed by, will become more open to louisa and they start to communicate better. that is until will has his sister, georgina, visited.

brainliest .

uncanny would be like unlucky or disaster. you can look for more in the dictionary or if you have text book then turn to a. 17 but it's different with textbooks.