205 questions - Earth Science Regents Review

Questions 77 and 78 refer to the following:1242 - 1 - Page 12Questions 79 and 80 refer to the following:The data table below contains data taken atlocations A through E in a stream. The volume ofthe stream is the same at all locations.77) Which diagram best represents the streamprofile from location A to location E?A)79) In which direction does Jennifer Brookflow?A) northwestC) southwestB) southeastD) northeast80) What is the approximate gradient, in metersper kilometer, of Jennifer Brook betweenpoints A and B?A) 80 m/kmB) 220 m/kmC) 40 m/kmD) 20 m/kmB)C)81) Measurements of the Sun's altitude at thesame time from two different Earthlocations a known distance apart are oftenused to determine theA) length of the major axis of the Earth'sorbitB) period of the Earth's revolutionC) eccentricity of the Earth's orbitD) circumference of the EarthD)78) What is the gradient of the stream betweenlocations C and D?A) 1.1 m/kmB) 3.0 m/kmC) 2.0 m/kmD) 0.5 m/km