Iam a canal that allows passage from the pacific ocean to the caribbean sea .i am almost on the southern tip of north america

Aschool principal ordered 1,000 pencils. he gave an equal number to each of 7 teachers untill had given out as many as possibe. how many pencils were left?

Reason i shouldnt turn back if i'm lost in the wilderness need fast

What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.