The reaction 2A → B + C is second order in [A]. The time required for [A] to decrease from 4.0 M to 2.0 M is the time required for [A] to decrease from 2.0 M to 1.0 M. A.) equal to B.) twice as long as C.) half as long as D.) one-fourth as long as

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.      

sure im new too!

explanation:

colorless gas, exhibiting a blue glow when placed in an electric field

b) solid

its a type of rock