What is the role of DNA Polymerase enzymes in replication? A.) splitting the DNA molecule B,) adding the free nucleotides to the complementary strand of DNA C.) connecting the fragments on the lagging strand of DNA D.) unzipping the double helix by breaking down the hydrogen bonds I think it's A but I'm not sure? Please help!

Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3

Whay is the following best defines climate

Wich organism obtains its energy from dead or decaying matter