5. Divide the materials into single and composite: CO₂; F₂; HNO₃; C; Ne; Mg; CO; BaO; CH₄; LiOH.

explanation:

i think option no d is the correct answer

smooth muscle is composed of involuntary muscles found within the walls of organs and structures such as the esophagus, stomach, intestines, and blood vessels. those muscles push materials like food or blood through organs. unlike skeletal muscle, smooth muscle can never be under your control.

a) the particles of the chair are strongly held together.

they it depends on if one believes about radioactivity, they make a geiger counter beep but maybe it was going to beep anyway electronics do wierd things all the time or it was programmed to beep near certain metals.