Which of the following parts of decomposing living organisms are usually not preserved as fossils?

bones

skin and organs

teeth and spines

shells

What was the plum-pudding atomic model

Consider formula A to be v = StartFraction 2 pi r over T EndFraction and formula B to be v2 = GStartFraction 2 pi r over T EndFraction. Write the letter of the appropriate formula to use in each scenario.

Carbon burns in the presence of oxygen to give carbon dioxide. Which chemical equation describes this reaction? A. carbon + oxygen + carbon dioxide B. carbon + oxygen → carbon dioxide C. carbon dioxide → carbon + oxygen D.

What symbol represents "yields" or "forms" in a chemical reaction?

Which of the following is NOT a subatomic particle contained in an atom? a. electron c. proton b. photon d. neutron

How many joules of energy are needed to warm 5.00 g of silver from 25.0°C to 27.5°C? (The specific heat of silver is 0.24 J/g°C.)

In the reaction of magnesium with oxygen gas, a considerable amount of energy was released. This is an example of an exothermic reaction.

Why does an air bubble rise to the surface of a glass of water?

What term expresses the ratio of moles of reactants and products according to the coefficients in the balanced chemical equation? A) mole ratio B) reactant ratio C) product ratio D) yield ratio E) none of the above

What are some examples of kinetic energy