The frequency of a given region of the electromagnetic spectrum is more than 3 x 1019 HZ. Note that the speed of light is 2.998 x 108 m/s. Which waves are found in this region?

Predict the element that will have the highest mass percent composition in each compound without doing any calculations. Identify the element that has the highest mass percent composition in C3H6O.

Which of the following is an effect of constructive forces? A.) Landmasses are eroded by water B.) Landmasses are weathered by ice C.) Mountains are built up D.) Mountains are torn down

Watch is a food chain

Choose all of the processes from below which describe changes which are independent of the path by which the change occurs.

If the bird species cannot adapt to eat a different source of food, this species of bird will most likely

Correctly identify the generic formula for a synthesis reaction. a. AB + A+B b. A+B → AB c. CxHx + O2 → CO2 + H2O d. AB + C + AC + B e. AB + CD → AD + CB

Zinc phosphide, Zn3P2, is often used as a rat poison. Phosphorus has 5 valence electrons. How many valence electrons does each zinc atom lose?

Nonrenewable resources are?

Watch the animation, then check off the samples that will conduct electricity. Check all that apply. View Available Hint (s) Check all that apply. NaCl solution Solid NaCl Solid sugar Sugar solution

Burning wood represents a chemical change. True or False?