2. Explain the reasons for and the science behind the following recipe instructions: a) 'Stir the Béchamel sauce all the time whilst it is being heated on the hob. (3 marks)
b) 'Sauté the onions gently until they turn a golden brown colour.' (3 marks)
c) 'Bake the loaf in the oven for 25 minutes until it is well risen and golden brown.' (3 marks)

Which part of each sentence is a dependent clause? the boys didn’t think dani could win the race even though she was on the school track team. trisha went down to the farmer’s market so she could get some apples. after he was injured by a stray ball, alex was sent to the nurse’s office. though he hated math, chris tried to do the equations.

Which of these is a disadvantage of hydrogen fuel cells? a. engines that use hydrogen fuel are more efficient than gasoline-powered engines. b. the only emission produced by hydrogen fuel cells is water. c. hydrogen fuel is continually available and useful for heating. d. hydrogen fuel is often purified in a process that emits lots of greenhouse gases.

The use of fertilizer on a large farm would have the largest effect on which of the following? rate of photosynthesis in local plants amount of smog in the lower atmosphere rate of anaerobic respiration in aquatic bacteria extent of eutrophication in nearby water bodies rate of evapotranspiration from surrounding area