Fire ecology is . a. an old branch of science b. a way for scientists to prevent accidental wildfires c. the study of how fire affects ecosystems d. all of the above

whats the answer??

Perform the following mathematical operations and report the answer to the appropriate number of significant figures 5.87998 + 3.100

Find the mass in grams of 1.37x1020 particles of h3po4

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules