The answer is chemical energy
Answer – The force of gravity is
stronger than the force of magnetism.
The attractive force of magnetism
is the force that keeps the nails joined to one another and to the end of a bar
magnet while the force of gravity is the force acting to pull the nails to the
ground. If when Juanita sticks the seventh nail, it falls off the sixth nail,
it means that the force of gravity acting on the seventh nail is stronger than
the force of magnetism acting on it.
I'm pretty sure it's Cells
Natural selection can only occur because of a variety in a population. Natural selection refers to environmental factors that affect a population and causes some of the population to have more surviving offspring than others. An example is a giraffe with a longer neck will be more likely to survive and reproduce (as it can gather more food from taller trees)
