What has a large flexible tail, four pairs of legs, two large claws, and is a highly prized shellfish all around the world?

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

Qué sucede cuando una persona tiene muy poco o demasiado costeroides?

Forensic scientists think they know the identity of a skeleton. what rule should they use to select a relative whose dna could be used to try to confirm the identity?