13. How frogs will be affected by drought?
a. frogs stop mating and breeding
b. frogs buried their body on mud during day time
c. female frogs lay more eggs
d. both a and b are correct
14. At home, how do you control the cockroach population without harming the environment?
I. By using pesticide to kill the cockroach
II. By using insecticide to kill the cockroach
III. By keeping our house clean
IV. By keeping our house bright and dry
a. I only b. II only c. II and III d. III and IV
15. How do frogs help the environment?
a. Frogs eat insects which are pests to farmers
b. Frogs produce oxygen
c. Frogs produce carbon dioxide
d. Frogs make the soil fertile
Help please. Thank you!!