A. Give any two risky situations related to sexually transmitted disease.

Here are the answers to the questions:

29. a. Give any two risky situations related to sexually transmitted disease.

• Unprotected sexual intercourse (without condoms).
• Sharing contaminated needles for drug use, tattooing, or piercing.

29. b. Give any effect of HIV and AIDS on each of the following:

• i. Family
  • Loss of income due to illness or death of a family member.
  • Increased financial burden from medical expenses and caregiving.
• ii. Nation
  • Reduced workforce and productivity due to illness and death of skilled personnel.
  • Increased strain on healthcare systems and national budgets.

30. Figure 10 shows common laboratory apparatus.

• a. Name the above apparatus

  • X: Thermometer
  • Y: Beam balance

• b. What does each of the apparatus measure?

  • X (Thermometer): Measures temperature.
  • Y (Beam balance): Measures mass.