Water freezes in the cracks of rocks and then expands, breaking the rocks apart. This is an example of A) biological weathering
B) chemical weathering
C) erosion
D) frost wedging or ice wedging

i think its d, but grammarly says none

explanation:

sing because that is what they are doing in the sentence

explanation:

the simple predicate is the main verb in the predicate that tells what the subject does. example: my father fixed the dryer. read each sentence. draw a line under the complete predicate.

the correct answer is d.   to change the pace

explanation:

his tongue, i believe, was bloody and hanging out of his mouth.

he looked as if he were hungry.

he has several wolf-like qualities; a gray coat, sharp claws and yellow fangs.

those eyes made me feel, dear reader, like the end was near.

as i reached for a stick, he moved to the other side of the hill.

panting and hungry, he looked at me, a defenseless human and he snarled.

well i said my prayers, however, he simply turned and limped off.