Is CuO a acidic or basic oxide
and why

CuO is a basic oxide and when it reacts with water it gives Cu(OH)2 which is a base as it gives Cu2+ and OH− ions when dissolved in water.

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.

i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.