According to Steno's principle of superposition, where can the older layers of rock be found?

A: at the top

B: in the middle

C: at the bottom

D: anywhere

Select the correct answer. Which sentence about particles in matter is true? O A. Atoms are present in solids and liquids but not in gases. O B. The particles of matter are in constant motion. OC.

What are the three main assumptions of the kinetic theory of matter?

Which hybrid orbitals would be formed if one s orbital and three p orbitals combined?

Which monosaccharide rarely occurs freely in nature but is tied up in milk sugar until it is freed during digestion?

Name three elements that have been added to the periodic table since mendeleev's time

Why is oil unable to dissolve well in water? Water is polar and oil is nonpolar, which means they have no attraction for each other. Oil molecules are too large to fit between the closely spaced water molecules in the liquid state.

The fertilizer ammonium sulfate is prepared by the reaction between ammonia and sulfuric acid. How many kg of ammonia are needed to produce 1x10^5 kg of (NH4) 2SO4?

The conversion of chemical energy to mechanical energy is best described by which example? A. sunlight warming the ground B. electricity boiling water C. fuel being combusted to power a rocket

he density of solid aluminum is 2.70. If a 1g peice of aluminum is dropped in a cup of water, it will sink to the bottomfloat to the tophover in the middle. (The density of water is 1.0

Match the action to the effect on the equilibrium position for the reaction N2 (g) + 3H2 (g) ⇌ 2NH3 (g). Match Term Definition Increasing the pressure A) Shift to the left Removing hydrogen gas B) No effect Adding a catalyst C) Shift to the right