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21

Mass of a crucible = 10g,

Mass of a crucible and soil before heating =29g

Mass of a crucible and soil after heating = 18g

From the information above, determine the percentage of water in the given soil sample?

  • A. 20%
  • B. 25%
  • C. 40%
  • D. 60%
View Answer & Discuss (21) JAMB 2021
22

Plants and animals of an ecosystem make up a?

  • A. habitat
  • B. succession
  • C. community
  • D. population
View Answer & Discuss (5) WAEC 2021
23

Succession that occurs on an abandoned farm land is?

  • A. tertiary
  • B. secondary
  • C. primary
  • D. climax
View Answer & Discuss (12) JAMB 2022
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
24

In Nigeria, Southern Guinea Savanna is found in?

  • A. Borno and Sokoto
  • B. Kogi and Kwara
  • C. Kaduna and Cross River
  • D. Kano and Niger
View Answer & Discuss (2) JAMB 2022
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts