Answer:
Explanation:Two of the nuclei (the polar nuclei) move to the center of the embryo sac and fuse together, forming a single, diploid central cell. This central cell later fuses with a sperm to form the triploid endosperm, which will ultimately provide nourishment for the developing embryo (analogous to yolk in animal eggs).
The correct answer is letter D, air. This is a type of bacteria that is often found in soil. Its culture is highly dependent on the moisture that develops on the ground. The water cycle provides such opportunity for these bacteria to grow in moist conditions. The evaporation and condensation of water that occurs within the atmosphere of the Earth gives these bacteria the ability to thrive.
it is located the inner mitochondrial membrane
Redbeds indicate the presence o iron in the environment. Red beds are red sedimentary rocks and the color is due to the presence of the ferric oxides. Ferric oxides occur as a coating on the sedimentary grains. In between the shale and cherts, iron-rich sediments can be found.
Answer: Due to rise in temperature and pressure
Explanation: Rocks are formed due to rise in temperature and pressure. It involves larger rock masses. The main rock types are gneisses and schists which have a laminated banded appearance.