Which property is generally the least useful in identifying minerals? color hardness streak cleavage

What is the only truly liquid layer of the earth? A) inner core B) outer core C) lower mantle D) Upper Mantle

A car traveling with constant speed travels 150 km in 7200 s what is speed of the car

Explain why chemical equation for photosynthesis shows conversation of mass.

A wave is traveling through a medium. as it travels, it displaces particles of matter in the same direction as the wave is traveling. this type of wave is a

What kind of reaction involves burning?

Is a white shirt cooler or warmer in the sunlight?

A stone is thrown vertically upward with a speed of 18.0. (a) How fast is it moving when it reaches a height of 11.0? (b) How long is required to reach this height? For part A) I did: y=11m, g=9.

What object or class of objects makes up most of the solar systemâs mass?

Carole is very tired and makes coffee. why would newton say that she must use her hand to put up the cup

Rapid gas exchange can be accomplished more easily in air than in water because A. the O2 content of water is higher than that of air B. O2 diffuses more rapidly in water than air C. water is more dense and viscous D.