Answer:
Inner planets are smaller than the outer planets; gas giants have more gravity; Farther apart, inner planets have a solid surface, Inner planets are hotter, inner planets have a shorter period of revolution. Distance from the sun causes these differences.
Explanation:
The four inner planets have slower orbits, slower spin, no rings, and they are made of rock and metal.
The four outer planets have faster orbits and spins, a composition of gases and liquids, numerous moons, and rings.
The outer planets are made of hydrogen and helium, so they are called gas giants.
Answer:
Conifers produce seeds, they do not rely on water to unite the sperm and the egg.
Explanation:
Answer:
Me manda em português fazendo o favor
Answer:
Cleavage is a process in which cell is divided into several parts without increasing in size. There are 4 stages of cleavage i. e. 2-cell, 4-cell, 8-cell and 16 cell stages. 2 cell embryo cleavage occurs after 30 hours of fertilization. 4 cell embryo cleavage occurs after 48 hours. 6 cell embryo cleavage occurs on third day of fertilization. 8 cell embryo cleavage occurs on fourth day of fertilization and more than 100 cells are formed.