THE EARTH’S ROTATION AND REVOLUTION
The earth moves in space in two different ways. These are: Rotation Revolution ROTATION OF THE EARTH Rotation of the earth is defined as the movement of the earth round the sun on its axis. The earth moves or…
FACTS ABOUT WEATHERING
Weathering is defined as the gradual breaking down or disintegration of rocks by either physical (mechanical) or chemical process. FACTORS AFFECTING WEATHERING The following factors affect the weathering of rocks: Climate: Climatic elements like temperature and rainfall are the…
MORE DETAILS ABOUT THE OUTER AND INTERNAL STRUCTURE OF THE EARTH
The structure of the earth is grouped into two zones. These are the outer structure and the internal structure. THE OUTER STRUCTURE OF THE EARTH The outer structure of the earth is made up of four zones or layers.…
MINERAL RESOURCES IN NIGERIA
Minerals present and mined in Nigeria include: Petroleum and Crude oil Petroleum is a sedimentary rock mineral found in Port Harcourt (Rivers State), Warri and Ughelli (both in Delta State), Akwa-Ibom and Imo-State. The first oil well in Nigeria was…
MINING IN AFRICA (COPPER, GOLD AND PETROLEUM)
MINING OF GOLD Africa leads the whole world in the production of gold. South Africa is the largest producer of gold in Africa, followed by Ghana, Zimbabwe and Zaire. Gold is a valuable metallic mineral. MAJOR MINING AREAS Witwatersrand…
INTRODUCTION TO ELEMENTARY LAND SURVEYING
Land surveying is defined as the process by which measurement of land is made and then represent such measurement by tables, plans or layout for specific purposes. It can also mean the measuring and mapping out of the position, size…
GENERAL TEST QUESTIONS AND ANSWERS (PART 3)
Differentiate between weather and climate Weather is the atmospheric condition of a place over a short period (days, weeks, hours, and month) but climate is the average condition of a place over a long period of time (35 years). Weather…
GENERAL TEST QUESTIONS AND ANSWERS (PART 2)
Describe three main differences between Zeugens and Yardang In Zeugen, the hard and soft layers of rocks are arranged in horizontal bands while that of Yardangs are arranged in vertical bands. In Zeugen, there must be lines of fissure which…
HERDSMEN – FARMER CONFLICT MANAGEMENT
Historical tensions between Nigeria’s pastoralist and farmers have intensified in recent years. Dwindling forage resources and water availability greatly contribute to the conflicts. The urgent requirement is to engage the extension specialists with, rather than isolate, pastoralists from the various…
FARM BIO-SECURITY
Farm bio-security is all about protecting people, animals, plants, and environment from pests and diseases. It includes trying to prevent new pests and diseases from spreading into the farm, and helping to control outbreaks too when it occurs on the…
EROSION CONTROL TECHNIQUES AND WEATHER INFORMATION UTILIZATION
Erosion control techniques are fundamental for the protection of water quality. Soil stabilization and erosion control practices are needed and should be used in areas where soil is exposed and natural vegetation is inadequate. Bare ground should be covered, typically…
CLEAN AND RENEWABLE ENERGY
Renewable energy is defined as any energy resource that is naturally regenerated over a short time scale and derived directly from the sun (such as thermal, photochemical, and photoelectric), indirectly from the sun (such as wind, hydropower, and photosynthetic energy…
CLIMATE CHANGE AND CLIMATE SMART AGRICULTURE
Agriculture is an important sector of the Nigerian economy. In addition to providing Nigerians with much of their food, crops, livestock, and fisheries make significant contributions to the national economy and GDP. It remains the main source of livelihood for…
GENERAL TEST QUESTIONS AND ANSWERS (PART 1)
Distinguish between: Latitude and Longitude Lines of latitude run from west to east while lines of longitude run from north to south. Lines of latitude are parallel to each other while lines of longitude are not parallel to each other…
TEST QUESTIONS AND ANSWERS ON ROCK (PART 1)
Define the term sedimentary rock and describe any two processes of its formation Sedimentary rocks are rocks formed from sediments deposited either by water, wind or ice. These sediments are formed in layers or strata, one on top of the…
Study Guide
