Which sentence contains an error in the use of end marks or commas?
a.
rain had been forecast; the weather, however, remained perfectly pleasant.
b.
a heavy pack, for example is often more trouble than it is worth.
c.
isn't that a rather drastic solution, stella?
d.
she saved the file, turned on the printer, and clicked the command to print.

Read the incomplete quatrain. the snowy hill calls to the sleeping child come play! it's time to run, and jump, and slide! my slope is steep, and every ride is wild! which line completes the quatrain's "abab" rhyme scheme? wake up! it's time to come enjoy the snow! wake up! i long for kids to come and play! awake, sweet child! embrace the winter thrills! awake, sweet child! it's time to come outside!

Yes or no? biology is the study of rocks and minerals.

Hey, can you guys keep awnsering my questions