Answer:
gravitational potential energy
The skier possesses gravitational potential energy at the top of a slope, which transforms into kinetic energy as he moves down the slope.
The failure of homologous chromosomes to separate properly is during meiosis where mutation appear
Answer:
Reptiles, like early dinosaurs.
Explanation:
you just need to know that :
population density = no of ( what is asked) / land area.
Both of these mainly mark or represent markers or identifies within the cell membrane. They are used to identify between different cells of the same type. Also can be used for signalling processes.
