What is the quantity of matter that an object contains called? A. mass B. weight C. volume D. density

The distance of mars to the sun is 1.5 that of earth. "how many earth years does it take for mars to orbit the sun?"

Newton ovserved the action of the prism on white light and on red light because

Which is more work, pushing with 115 N over 15m or lifting 20N over 10 m?

Which form of precipitation is defined as raindrops that bounce when they strike a surface? a. Snow c. Fog b. Hail d. Sleet

Why does the pH change when you add water to chicken soup?

Could tests be performed to support the clamim?

A carpenter is working on a house two blocks away. you notice a slight delay between seeing the carpenter's hammer hit the nail and hearing the blow. at what time does the event "hammer hits nail" occur?

There have been books written about how blood type affects personality or body shape. Knowing that blood type is determined by antigens on erythrocytes, are these claims scientifically valid? O True O False

A stone is dropped from a 80m bridge. How long does it take to fall?

How does an iron nail become a rusty nail