Questions


October 2022 1 2 Report
2. Which physical manifestation is visually observed in materials undergoing oxidation (presence of heat and oxygen)? A) color B) size C) odor D) volume 3. In what way can a scratch paper in school be easily and safely made into useful products? A) origami B) napkin C) cover D) Mulch 4. Which of the following is the best pair? A) male:semen; female:ovary B) male:sperm; female ovule C) male:sperm; female:egg D) male:semen; female uterus 5. How frequent is the females' menstrual cycle? A) daily B) weekly C) monthly D) bimonthly​

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