Answer:
372836
Explanation:
just use your brain do you know how to add?
they need a oxegen tank cause you can’t breathe in space there’s no air cause there’s no trees so it’s like scuba diving you can’t breathe with out a oxygen supply and it might be uncomfor table and even few 30 mins you have to get a new oxygen tank (sorry if I’m wrong :clownface: )
Answer:
asking questions about the observation
Answer:
As the variables are not given, let us help with general explanation on manipulated variable.
Explanation:
A manipulated variable is an independent variable. In a scientific experiment, an independent variable can be described as a variable which can change naturally or which is changed by the researcher to check its effect on the dependent variable. The dependent variable is the variable which is under study and being tested.
For example, to check the difference in photosynthesis rate by light, the amount of light will be the independent variable and the rate of photosynthesis will be the dependent variable.