The periodic rise and fall of the sea level on the earth, gives rise to tides. This is related to
Options: the position of the moon with reference to the earth and the gravitational pull exerted mainly by the moon and partly by the sun, infrared rays from the sun, ultraviolet rays from the sun, None of the above
One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor's statement?
Options: Having waited a day, it is too late to take an antibiotic, You need an antiseptic, not an antibiotic, You need to be vaccinated instead of taking an antibiotic, You are infected by a virus
Options: payment by government for purchase of goods and services, payment made by business enterprises to factors of production, payment made by companies to shareholders, payment made by the government to business enterprises, without buying any goods and services
Which of the following pairs of country and the purpose for which U.N. Peace Keeping Force is maintained is correctly is correctly matched?
Options: Cyprus - to maintain peace between the two dominant ethnic groups in the country, Mozambique - To supervise a referendum, El Salvador - to deliver humanitarian aid, Lebanon - For supervising a 1992 accord
Options: proper irrigation, adding sodium hydroxide, liming, application of fertilizers
The process of weathering results into
Options: the complete loss of particular atoms or the compounds from the weathered surface, the addition of specific atoms or compounds to the weathered surface, a breakdown of one mass in to two or more masses, with no chemical change in the mineral or rock, All of the above