Why is random sampling and random assignment in experimental research important?

Suppose you are walking home after school. The distance from school to your home is five kilometers. On foot, you can get home in 25 minutes. However, if you rode a bicycle, you could get home in 10 minutes. a.

Which of the following BEST describes a deer? primary producer carnivore, secondary consumer tertiary consumer herbivore, primary consumer

a rectangular block is having 5cm, 5cm and 8cm with density of 7.).5g/cm^2. what is the mass of the block

Sunidhi made a study chart about changes in states of matter. Which headings best complete the chart? X melting sublimation Y freezing deposition X: Solid Directly to Liquid Y: Liquid Directly to Solid OX: Liquid Directly to Solid Y: Solid Directly

A bus starts to move from rest. if it's velocity becomes 90 km per hour after 8 seconds, calculate it's acceleration (numerical problem)

Photons travel outward from a light bulb in

The critical angle for a beam of light passing from water into air is 48.8°. this means that all light rays with an angle of incidence in the water that is greater than 48.8° will be

A basketball is filled with air and has a small hole. Explain why the basketball would leak.

Aligned magnetic domains are only present in which of the following? A) permanent magnets B) temporary magnets C) all magnetic material D) depends on the situation

How are magnetic poles and electrical charges similar