The carbon cycle is one of many biogeochemical cycles on earth. can you identify the main features of a biogeochemical cycle and show how the carbon cycle exhibits these features? drag the terms on the left to the appropriate blanks on the right to complete the sentences. not all terms will be used.

Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?

Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife