If a dna sequence read aatcctgtgcat what would the complementary strand be?

Which is these sentences can be deleted from the first paragraph sentence 4 sentence 2 sentence 5 sentence 3

Guys plz and say a best answer i will give 15 points how we should prepare for a scholarship exam

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.