How does the size of the ears to keep an artic fox warm in a cold environment?

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong chain

Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c