It is easier to roll a stone up a sloping road than to lift it vertical upwards because
Options: work done in rolling is more than in lifting, work done in lifting the stone is equal to rolling it, work done in both is same but the rate of doing work is less in rolling, work done in rolling a stone is less than in lifting it
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: the white UN Emblem is super-imposed on a light blue background, the red UN Emblem is super-imposed on white background, the light blue UN Emblem is super-imposed on white background, None of the above