Answer:........u are so sweet
1km=10^3 m,1km^3=10^9cubic metres answer is 1.4x10^18cubic meters
Answer:
A fair test.
Explanation:
Hi, a fair test is used to do scientifically valuable experiments, is a controlled investigation to answer a scientific question.
In a fair test two or more things are compared.
It consists in changing only one factor (the one bieng tested) and keeping all the other conditions the same during an experiment.
The factor is called a variable.
equal and opposite reaction.