What effect does a surfactant have on the surface tension of water

If stationary observers measure the shape of a pass - ing object to be exactly circular, what is the shape of the object when viewed face-on by observers on board the object, traveling with it?

There are seven ___ included in the periodic table.

When you spill a few drops of soup or milk on a pale-blue Gas game when cooking, the color of the flame changes to a mixture of colors. Yellow is the most intense color. When do you conclude from this observation?

Bill and Bob are carrying loads of trash to the dump. They are walking down the sidewalk, side by side but Bob begins to lag behind Bill. Explain what's happening using one of Newton's Laws of Motion. A) Newton's 2nd Law.

A wildlife biologist examines for a genetic trait he suspects may be linked to sensitivity to industrial toxins in the environment. previous research had established that this trait is found in one of every 8 dogs.

What scientific practice is this? 1) collecting data 2) asking a question 3) providing explanations 4) communicating results

The kinetic energy of an object depends on both the objects mass and velocity. a. True b. False

How does a walkie-talkie work and why do people still use them?

A 125-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope.

Jose wandered 4 kilometers at 2 kilometers per hour. How long did Jose wander?