Answer: Not exactly.
Explanation: Around the world in different places the sun is around for longer than others. Take Canada and the Philippines for example. When Summer comes around, daylight in Canada can last until like 10 on a good day. In the Philippines though, pretty much all year round it starts to get dark by around 5:30.
The correct answer is C.
The egg sinks in freshwater because it is more dense than the water. So, to make the egg float, you would have to increase the density of the water. Since salt water has a greater density than freshwater, you would add salt to the freshwater, thus causing the egg to float rather than sink.
To understand that you have to balance each food you intake in your body. Balancing your food is not only useful to make you stay fit but it can enhance your mental and physical health. With the use of proper diet, you will go on to your everyday routine without feeling uncomfortable.
It is very important to control the conditions of an experiment because FAILURE TO DO THIS WILL MAKE THE RESULTS OF THE EXPERIMENT INVALID.
A controlled experiment refers to an experiment that is conducted under controlled conditions. Conducting experiments under controlled conditions helps scientists to minimize the changes in all other variables with the exception of the ones been tested.
