Which of the following is most likely an indication of a chemical change

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

How do limiting factors most affect population size? ostop population growthrestrict population growthincrease population sizeresult in positive impactso

An unsaturated hydrocarbon is a hydrogen-carbon compound with a. a network solid structure b. single bonds c. single bonds in a branched-chain structure d. double or triple bonds