Hair color is a tralt that's controlled by many genes working together. Each gene contributes to this tralt only in a small proportion. Which pattern of inheritance is this?

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive

In which of the following is positive work done by a person on a suitcase

For two variables in a direct proportion, what is the result of doubling one variable?