Answer:
Yes it is a scientific model because it is an outlook of a winter outlook and winter is a season and a type of weather and weather is meteorology and meteorology is a type of science so yes it is a scientific model.
Explanation:
It is important to test only one variable, because 2 or more may cause changes in the original variable that weren't supposed to occur
The answer is C I believe because it makes sense
Water is H2O but I'm not sure about solids.
Answer:
1. An encounter with the barrier
2. The distance traveled by the washer.
Explanation: