El es un órgano hueco, con forma de pera invertida, que posee paredes gruesas y musculosas, y tiene como principal función durante el embarazo

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

the main thing i would use is bricks because if there is a hurricane, there is a great possibility for the house to still stand. and i would also use plexiglass windows instead of regular windows because plexiglass isn't prone to breaking.