Cuándo habla una persona, ¿por qué identificas que se trata de un hombre, una mujer o un niño?.

Why do bacteria thrive even in hostile environments

What is the difference between an igneous, sedimentary and metamorphic rock

Agroup of students are walking in the park and one of them takes a picture of a pollen grain that is been blown by the wind what caption can the student use for this picture