Q: Q: What is the hardest of all minerals? Read this paragraph and choose the correct option from the provided answers: Diamonds like the one pictured in the Figure below are the hardest of all minerals. Is a diamond a crystalline or an amorphous solid? How do you know?. Choices: - titanium - gold - platinum - diamonds A:
A: diamonds

Q: Q: Are zeroes that show only where the decimal point fall significant or not significant? Read this paragraph and choose the correct option from the provided answers: Zeros that show only where the decimal point falls are not significant. For example, the number 470,000 has just two significant figures (4 and 7). The zeros just show that the 4 represents hundreds of thousands and the 7 represents tens of thousands. Therefore, these zeros are not significant. Choices: - neither - sometimes significant - significant - not significant A:
A: not significant

Q: Q: What science is the study of matter and the changes it undergoes? Read this paragraph and choose the correct option from the provided answers: Chemistry is the study of matter and the changes it undergoes. Choices: - biology - geology - astronomy - chemistry A:
A: chemistry

Q: Q: A solution is what type of mixture, where the dissolved particles are spread evenly through the mixture? Read this paragraph and choose the correct option from the provided answers: A solution is a mixture of two or more substances, but it's not just any mixture. A solution is a homogeneous mixture. In a homogeneous mixture, the dissolved particles are spread evenly through the mixture. The particles of the solution are also too small to be seen or to settle out of the mixture. To put solutions in context as a type of mixture, watch the video at this URL: http://www. youtube. com/watch?v=z2vM-G5I92U . Choices: - saline - gaseous - heterogeneous - homogeneous A:
A: homogeneous