To protect itself from herbivores, plants a. secrete toxins b. have thorns c. both secrete toxins and have thorns d. cannot do anything because they cannot protect themseleves

Ineed this awnser fast select the correct answer. this chemical equation represents the burning of methane, but the equation is incomplete. what is the missing coefficient in both the reactants and the products? ch4 + → co2 + a. 0 b. 1c. 2d. 3 e. 4