Density of salty water as compared to the density of pure water is

(a) Is less

(b) Is always equal

(c) Is always more

(D) May be less or more

A wave is approaching a barrier that has a small hole at the center. Which describes the change in the wave as it encounters the barrier? A. The wave will slow down B. The wave will bend or defract C.

Where is most of the mass of an atom located? in the nucleus in the orbits in the electrons it is split between the nucleus and the orbits

What happens to molecules when their kinetic energy decreases?

A truck makes a sharp turn and a box falls out of the bed, this is best explained using?

A driver in a blue car traveling at 50 km h-1 sees a red car approaching in his rear view mirror. the red car is traveling at 60 km h - 1 and is 30 m behind the blue car when first spotted. a.

Imagine you are on a bus with a helium balloon tied on a string tied to the seat in front of you. the bus stops short to avoid running over a rabbit and you are thrown forward. what happens to the balloon in relation to the bus? 1. the balloon pops.

Give one reason why the density of iron is higher than the density of oxygen

In which region of the periodic table do the elements NOT normally react chemically with other elements? A. metals B. metalloids C. nonmetals D. noble gases

A hot air ballon was a mass of 400 kilograms moves across the sky with 3200 joules of kinetic energy. the velocity of the balloon is

What Is a mineral made of oxidized hydrogen