What moves heat and water around Earth

True or False. The forty-Niners moved to california during the Golden Rush •True •False

What is the general formula for alkynes

Name three gaseous elements that will not burn?

Which of the following is an example of a chemical change? a. water evaporating from a puddle on a hot day b. burning a piece of toast c. cracking open an egg and removing the yolk d. steam condensing on the bathroom mirror

Two gas molecules collide together in a box container. Which reaction accurately portrays the kinetic molecular theory?

How does protein substance in an animal hide or skin be prevented from bacterial infection during the process of tanning? * a. By soaking in water b. By deliming using an acid c. By brine curing d. By scudding with dull knife

Nonpolar materials have separated positive and negative areas. True False

Large rocks being blasted to make way for the construction of a tunnel is an example of what type of weathering? A. Chemical B. Mechanical C. Deposition D. Erosion

A criminalist uses a fluorescent chemical called rhodamine, cyanoacrylate fumes, and a uv light source to see a fingerprint on a gun. Which type of evidence is he detecting? Gross evidence latent evidence direct evidence trace evidence

Which of the following energy changes occurs as a ball bounces