<span>A scientific question is like a hypothesis. It's the question that you're trying to answer throughout the experiment. So, a scientific question in this case could be: If the car has bigger wheels, will it travel faster? This is something you can test in the experiment, by having different cars with different sized wheels. In this way, you can track how fast each car goes, and determine whether or not the wheel size increases speed, decreases speed, or has no effect on speed.</span>
Answer:
nuclear energy and solar geothermal
Explanation:
nuclear energy generates heat to produce steam, which is used by a turbine generator to generate electricity
solar geothermal heat pump system allows homeowners to tap into the energy sent down from the sun that is stored by the earth
The formula for Alkanes is CnH2n+2, so you are correct it is True.
True
To solve number 18 you have to add the positive and negative to equal zero. For example for 18a it would be K2S ( the 2 is a subscript ) because you need 2 positives to cancel out the 2 negatives.
Answer:
wish I could help but I don't understand it ,so maybe someone can come and help u