ESSAY [80 marks] Answer four questions only from this section. Credit will be given for clarity of expression and orderly presentation All questions carry equal marks. (a) in (0) List three major types of weathering. (ii) Explain the role of temperature in weathering of rocks. changes es in temperature bring about crocks m rocks A 100 W heater is connected to a 240 V mains supply. Calculate the: 0 current drawn; (ii) resistance of the heater. b) Lyon (1) List three compounds which have electrovalent bond. Voden Give two characteristics of electrovalent compounds. They have high melting point lake​

Take a guess im getting rid of my account might as well do it in style a fishing boat, with a ladder in it, is leaning against a wall at the harbor. there are 5 oars and 2 fishing nets in the trawler. the distance between two consecutive steps on the ladder is 1 meter. if waves lashing against the wall rise a half meter in every half hour, how long will it take before 6 steps of the ladder are under the waves?

Ais a survey that focuses on only a small portion of the population, and the results are generalized for the larger population.

Astudent conducts an experiment to see how music affects plant growth. the student obtains four identical plants. each one is potted in the same type of soil and receives the same amount of sunlight and water each day. plant a listens to classical music for three hours each day. plant b listens to rock music for three hours each day. plant c listens to country music for three hours each day. plant d does not listen to any music at all. 2. based on the experiment in the scenario, which visual aid would be most in showing the change in the plants' heights over time? a. a pie chart b. a line graph c. a timeline d. a bar graph