a well-balanced scale ensures that if you place the same weight on both plates it will remain perfectly in balance. therefore, if in one of them you place 7 copper coins and 300 grams of rice, while in the other you place 5 copper coins exactly the same as the previous ones and 500 grams of seed, you observe that the scale remains in balance. how much weight is in the first plate?

c

step-by-step explanation:

i think because what else can be a sample of every member

i'm assuming that it's c.)   volcanoes built the mountains and earthquakes tore them down.

c.

step-by-step explanation:

simple you would first have to get   a negative number where as 1 to be multiplied by 24 and then you would have to multiply 6 time 4 and then repeat that process until you reach your term