Humans whose ancestors lived in which of the following regions would be likely to be able to digest the lactose in milk? A. African regions where cows were herded B. European regions where horses were ridden C. Asian regions where chickens were domesticated D. South American regions where potatoes were farmed

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.

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weight of any object is given by

w = m*g

where m is mass of the object and g is the acceleration due to gravity.

for earth the value of g is 9.8 m/s^2 so

w=117.6 n m=12 g=?

117.6=12g => g=9.8 m/s^2

which is the force of gravity on earth.