Q: Q: The strength of bases is measured on what scale? Read this paragraph and choose the correct option from the provided answers: The strength of bases is measured on a scale called the pH scale, which ranges from 0 to 14. On this scale, a pH value of 7 indicates a neutral solution, and a pH value greater than 7 indicates a basic solution. The higher the pH value is, the stronger the base. The strongest bases, such as drain cleaner, have a pH value close to 14. Choices: - acid test - litmus test - pneumatic scale - ph scale A:
A: ph scale

Q: Q: Concentration of what, the substance left behind when ocean water evaporates, is about 3.5 percent? Read this paragraph and choose the correct option from the provided answers: Dissolved mineral salts wash into the ocean. As ocean water evaporates, it leaves the salts behind. This makes the water saltier. Ocean water is about 3.5 percent salts. The main salt is sodium chloride. Choices: - hydrogen - sugar - quartz - salts A:
A: salts

Q: Q: What term describes the application of knowledge to real-world problems and is practiced by engineers? Read this paragraph and choose the correct option from the provided answers: Technology is the application of knowledge to real-world problems. Engineers are professionals in technology. Choices: - invention - mechanisms - science - technology A:
A: technology

Q: Q: Some of the biggest waves occur with what type of storm that forms over the ocean and brings high winds? Read this paragraph and choose the correct option from the provided answers: The size of an ocean wave depends on how fast, over how great a distance, and how long the wind blows. The greater each of these factors is, the bigger a wave will be. Some of the biggest waves occur with hurricanes. A hurricane is a storm that forms over the ocean. Its winds may blow more than 150 miles per hour! The winds also travel over long distances and may last for many days. Choices: - tropical depression - tsunami - tropical storm - hurricane A:
A: hurricane