If the expression of a trait requires only one copy of a gene (one allele), that trait is considered dominant. If the expression of a trait requires 2 copies of a gene (2 alleles), that trait is considered recessive. One exception is X-linked disorders.
B) honey
A shirt is a solid, and helium is a gas at room temperature. A nebula is... not an object.
The Grand Canyon is made of sedimentary rock that contains fossils up to 1 billion years old. and the several upper layers of rock contain terrestrial, or land-based, fossils, such as dragonfly wing impressions and the footprints of scorpions, centipedes, and reptiles
Answer:
2
Explanation:
because it being pressure
Biosphere: All living things
Lithosphere: The crust and outer mantle of Earth
Atmosphere: The air and gasses that surround Earth
Hydrosphere: All water on Earth
