There are several different models that represent compounds. One type of model is shown. A large black sphere connected to 4 small blue spheres by 4 grey sticks. What type of model is shown? a structural formula a chemical formula a space-filling model a ball-and-stick model

they chose sides following the death of the islamic prophet muhammad in ad 632. a dispute over succession to islamic prophet muhammad as a caliph of the islamic community spread across various parts of the world, which led to the battle of jamal and battle of siffin.

hope it

i believe out of the choices it is a.

the lachish letters were written by hoshaiah, a military officer stationed possibly in mareshah,   and sent to yaush, possibly the commanding officer at lachish.

the series of letters were written in carbon ink in ancient hebrew on clay ostraca, shortly before lachish fell to the babylonian army of king nebuchadnezzar in 588/6 bc during the reign of zedekiah, king of judah.