Everyday Science

Cheetahs are known for their incredible acceleration, reaching speeds up to 100 km/h in about 3 seconds, making option A correct.

Fog consists of tiny liquid water droplets suspended in air, which is a gas. Therefore, it is an example of liquid dispersed in gas.

Comets are commonly described as "dirty snowballs" because they are composed of ice, dust, and rocky material. This term accurately reflects their composition and is widely used in astronomy.

Comets are primarily composed of ice and dust, which form their nucleus. The other options include 'lights,' which is incorrect, and 'all of the above,' which is invalid since not all options are correct.

The Snellen Chart is a chart with letters arranged in multiple rows of decreasing size, used to measure visual acuity during an eye test. The other options are unrelated to eye testing.

Some species of parrots are known to keep blind snakes in their nests. These snakes help by feeding on insects and parasites, creating a mutually beneficial relationship.

Mars appears reddish in the night sky due to the iron oxide (rust) on its surface, which reflects sunlight and gives it a distinctive red color.

The Saturn V rocket used for Apollo 11 stood approximately 364 feet tall. This is the widely accepted and documented height of the rocket, making option B correct.

The ozone layer is located in the stratosphere, which is the second major layer of Earth's atmosphere. It absorbs most of the Sun's ultraviolet radiation, protecting living organisms.

The Solar Corona is the outermost layer of the Sun's atmosphere and mainly consists of extremely hot ionized gases (plasma), not molten lava, ice, or cosmic rays.