Mark has brown hair. His wife, Maggie, also has brown hair. Mark and Maggie have four children. Three children have brown hair, and one child has blonde hair. What is the most likely explanation for this?

Three students decided to make money shoveling snow. They shoveled snow for five days. Akeo earned $162 on Friday. Cristina earned $284 on Wednesday. Oscar earned $204 on Monday. These were the maximum amounts earned by each.

Which body system controls the body's ability to respond to its environment?

How is the speed trap gun used to measure speed?

What event happens about once every month? A. a revolution of the Earth around the Sun B. a rotation of the Earth C. a full Moon D. a lunar eclipse

Explain why chemical equation for photosynthesis shows conversation of mass.

Which actions are evidence that a chemical reaction has occurred? Check all that apply. A: a change in color B: the formation of a precipitate C: a clear liquid becoming cloudy D: a change in shape E: the formation of bubbles F: the formation of

Which sphere forms Earth's outermost layer? Atmosphere Biosphere Cryosphere Hydrosphere

an 100kg object traveling at 50m/s collides (perfectly inelastic) with a 50kg object initially at rest. what is the sum of the momentum of both objects prior to the collision?

A train moves at constant velocity of 50km/h. how far will it move in 0.5h?

Which process best describes part of a scientific investigation? O designing a solution O evaluating the conclusion O evaluating the solution O identifying the conclusion