What is the density of a liquid with a mass of 2 kg & a volume of 10 liters

The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community

The pelican's beak is adapted for in .

Are humans interfering with or a part of evolution happening today? find examples of evolution seen in recent history that could be caused by human activity.