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The sentence should read: "The police came early enough to defuse the bomb planted by the rioters." Defuse means to make a situation less dangerous or to deactivate an explosive device. Diffuse means to spread over a wide area. Insulate means to protect from heat, cold or noise. Detonate means to set off an explosion, which is the opposite of what the police aim to do in this situation.

The sentence should read: "Having been told of his impending arrival, I worked hard to make his short stay very comfortable." Having been is the correct form here because it introduces an action that occurred prior to the main action ("I worked hard"). It indicates that the speaker was informed beforehand, which led them to prepare for the arrival.

More power to your elbow is an expression of praise or admiration for someone's success or brave actions: More grease to your elbow is informal and a colloquial slang

Estranged means being emotionally distant or separated. In the context of the sentence, it means that Ajike had been distant from her husband, and meeting him at the party made her feel like reconciling with him.

To "fall back on" something means to use something as a last option when other plans or resources have failed or are unavailable. It means that something is already in place or available as a backup.

The phrase "hemmed in" is a phrasal verb. To hem someone in means to prevent someone from moving or doing what they want to do. So the sentence would read: The editor was not happy that the Nigerian press was hemmed in. This means that the Nigerian press is not allowed to do what it wants to do.

Have is the root verb and is used alongside the pronoun I / You / We / Ye and They and plural noun. Generally, have is a present tense word. Has is used alongside the PRONOUNS He / She / It and Who and SINGULAR NOUNS. Three-quarters of the hostel is a singular noun because it refers to a part of one object. Three-quarters of the students is a plural noun because it refers to more than one student. Hence the sentence would read; Three-quarters of the hostel has been painted and three-quarters of the students have moved in.

The sentence should read: "A wide range of options was made available to the political parties during the recently concluded elections." This maintains subject-verb agreement because "was" is the singular past tense form of "to be," which matches the singular subject "a wide range of options."

According to Faraday's Law, the mass of the substance deposited is directly proportional to the time for which the current flows, assuming a constant current. Therefore, the graph should show a linear increase in mass over time, which corresponds to option A

(p - 760)/(0 - 760) = (h - 0)/(80 - 0) ∴ (p - 760)/-760 = (20 - 0)/80 80(p-760) = -760(20-0) ∴80p - 60800 = -15200 80p = 60800 - 15200 80p = 45600 ∴ p = 45600/80 p = 570mmHg

At the height of 10m, its total energy is potential, given by P.E. = mgh = 1 x 10 x 10 = 100J. But as the stone descends, its potential energy decreases, while its kinetic energy increases. Half way during the fall, (h = 5m), its P.E. = 50J, and consequently, its K.E. should be 50J, such that from the principle of conservation of energy, the total energy of the stone at any instant should be conserved.

heat is transferred from the water to the ice/glass through direct contact(conduction) additionally, there is some convective heat transfer within the water as warmer water rises and cooler water sinks.

When ever a ray of light is incident on a plane mirror at an angle of incidence l, if the mirror is then rotated through an angle θ, then the reflected ray is rotated through an angle twice θ So if θ = 35°, then the reflected ray is rotated through 2 x 10o = 20°

The extra lens in the terrestrial telescope mounted at the middle between the objective lens and the eye piece is to re-invert the image so that it is upright.

Thus if r = 1m f = 1/2 = 0.5m ∴ if U = - 4m (object behind mirror) f = 0.5m \(\frac{1}{u}\) + \(\frac{1}{v}\) = \(\frac{1}{f}\) -\(\frac{1}{4}\) + \(\frac{1}{v}\) = \(\frac{1}{0.5}\) \(\frac{1}{v}\) = 2 + \(\frac{1}{4}\) \(\frac{1}{v}\) = \(\frac{1+ 8}{4}\) \(\frac{1}{v}\) = \(\frac{9}{4}\) v = \(\frac{4}{9}\)