The Moon is thought to have come from the Earth. In 1975, the giant impact hypothesis was put forward. This suggests that the Earth was hit by a planet about the size of Mars around the time of the formation of the solar system approximately 4.5 billion years ago, and the impact caused part of the outer layer of the Earth to spin off and form what is now the Moon.
Ice floats<span> on water </span>because<span> hydrogen bonding makes liquid water unusually dense</span>
In meiosis , the no of chromosomes in the daughter cells reduces into half no of that in the initial cell :18
1. B. 2.B 3.C.
1. Fossils is a main supporter of the evolution theory
2. Evolution
3. Lack oh adaptation risk death
Answer:
organ system it belongs to the sensory system.
the level of organization go from
•cells
•tissues
•organs
•organ systems
•organisms
•population
•community
•ecosystem
•biome
•biosphere
