Consider all the sources of water listed on the three bars in the graph from the resource site.

*questions 2 and 3 on work file.

make a list of the water sources that would not be easily used to supply human water needs.

Which is not a step in the rock cycle?

Question 7 [2 marks] in the circuit below, the electromotive force generated by the battery is e = 6.0 v, and the resistances are r1 = r4 = 1.0 q, r2 = r3 =2.0 q. r. the power delivered by the battery to the circuit is closest to a. 6 w в. 12 w с. 15 w d. 18 w e. 20 w final exam autumn 2014 page 5 of 9 68037 physical modelling faculty of science [2 mark] question 8 with reference to question 7, the current through resistor r2 is closest to a. 1 a в. 2 а c. 3 a d. 4 a e. 6 a

Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?