Answer:
Weight of the soil (500g)
Explanation:
According to this question, some students are conducting an experiment in order to find out which of the different soils used absorb heat the fastest. For the first test, they put 500 grams of SAND in a beaker and put a thermometer in the sand.
In an experiment, the variables that must be kept constant for all the groups is called the CONSTANT OR CONTROLLED VARIABLE. This is done in order not to influence the outcome of the experiment. In this case, the weight (500g) of the soil should be kept the same for all other tests.
This means that for the remaining soil being tested, 500g of each type of soil should be used.
Answer:
Dr. Beadle was one of the first scientists to experiment with crossbreading, and this signifies early advancements in science.
Explanation:
The egg came first this was found out In July 2010
Which are open because there are wild animals roaming
So if you take the 12 hours that it takes to fill the swimming pool 3/5 way then u divide 12 by 3 and you would get 4 which would mean each quarter took 4 hours then it would take 8 more hours to fill the rest of the swimming pool