Question 1 A farmer can plant 4 sugarcanes per square meter. Each sugarcane weighs 400. g. On average, sugarcane is 12.85 %
sugar by mass. How much sugar (in grams) can the farm obtain if his farm is 50. hectares large? (1 hectare = 0.01 km2).
[5]

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.