21 In an ideal world, an object moves at a constant speed.
What will happen to this object's motion over time if no new forces are applied?
It will change direction
B It will increase in speed
It will decrease in speed
D) It will maintain a constant speed

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Which of the following statements is true? a. there is not enough food produced in the world to feed everyone. b. the biggest cause of hunger and malnutrition is the cost of getting food to people who need it most. c. most countries have enough arable land and resources to feed their own population and export a surplus d. malnourishment is only seen in a few countries with very limited food supplies.

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