Ques: Q: Hfcs are used as a replacement for what? Choices: - nitrofluorocarbons - pollutants - gases - cfcs A:
Ans: cfcs

Ques: Q: Ovulation takes place in what organ and is part of the menstrual cycle? Choices: - testes - fallopian tube - uterus - ovary A:
Ans: ovary

Ques: Q: Where does the stratosphere get most of its heat? Choices: - time - earth - volcanoes - sun A:
Ans: sun

Ques: Q: Plants can reproduce sexually and in which other way? Choices: - spontaneously - genetically - horizontally - asexually A:
Ans:
asexually