If there are 3 apples and you take away two, how many do you have?

Which object has the greatest inertia? * 6-kg bag of feathers 5-kg rock 8-kg bowling ball 7-kg bag of groceries

What is 0.002 represented by

Explain what the two teams of astronomers found in the 1990s. What question did their discovery create?

All of the following are ways in which electromagnetic waves are measured except A. Amplitude B frequency C velocity D wave length

What was Newton's reasoning about the apple falling from the tree?

Which represents a system that is almost completely closed?

If many household substances classify as acids or bases what is the ph scale

A protostar forms once the nebular cloud condenses and the core begins

How do whales bats and dolphins use echolocation? A To scare away predators B To attract mates C To orient them selves and find food D To tell animals of there species where they are

How much force would be needed to move a car with the mass of 100kg to an acceleration of 5m/s/s?