Glossopteris is an ancient, extinct species of what found in south america, africa, asia, australia, and antarctica

Glossopteris (Ancient Greek: γλώσσα glossa, meaning "tongue", because the leaves were tongue-shaped, and pteris, Greek for fern or feathery) is the largest and best-known genus of the extinct order of seed ferns known as Glossopteridales (also known as Arberiales or Ottokariales).

characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.

a chair, a bed, and a toothbrush

explanation:

i was told this before by a teacher, so yeah