In which sealed container would the organisms be able to continuously cycle
o2 and co2 gases?
o
a. a terrarium with a frog and a pool of water
o
b. an aquarium with water plants and a snail
o
c. a terrarium with mice and wood shavings
o
d. an aquarium with fish and plastic plants

total distance travelled = 60 miles

total time taken =1.5 hours

average speed = total distance / total time

60 / 1.5

= 40

therefore, average speed = 40 m/h

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no. dot product   =0 when vecs at right angles

see the picture for the vector

the magnitude of the vector by pythagorean theorem

r = √( (-10)^2 + (3)^2 ) = √109

magnitude = √109 units

the direction angle between vector and x-axis is

tan^(-1)(3/10) = 16.699

so the direction is approximately 16.7 degrees north of west

answer///scientific method;