UNIT Astronomy: The Stars
>
LESSON 5
Star Evolution
OURSE
UTUNE
Based on the image, what determines the path a star will take in its life cycle?
Select the one correct answer.
not to scale
the star's mass
OURSE
COOLS
grody
the stor's color
cools
wie dwar
Cege Stor
Fedom
plantas de
the stor's age
the stor's temperature
ESSENT
monsi
.
andals
b
massive stor
red superont
Supernova
blodshole
ESEC
Select the picture to enlarge
Mark

a basic solution is an aqueous solution containing more oh-ions than h+ions. in other words, it is an aqueous solution with a ph greater than 7. basic solutions contain ions, conduct electricity, turn red litmus paper blue, and feel slippery to the touch.

explanation:

pure water does not conduct electricity very well. however, when certain substances are dissolved in water, the solution does conduct electricity. you can make a simple device that shows how well a solution conducts electricity. this device uses a flashlight bulb to indicate how well the solution conducts electricity. the better the solution conducts electricity, the brighter the bulb will glow.

explanation:

it is a good conductor

explanation: