Que parte de un invernadero es analogo a los gases del efecto invernadero en la atmosfera terrestre?

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?