1. The water particles at the surface attract each other in a way that makes the surface act like a skin. This effect is called .
2. A thicker fluid is more resistant to flow. Therefore, it flows more than a thinner fluid.
3. A dehumidifier works by passing air through a set of cold coils. Why do they do this?

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.

How does the motion of particles in a gas change as the gas cools