How many DNA molecules were in the beginning of the gif?

Which symbols below represent the ions found in the glass of water ? a. oh- and h+ b. co2 and o2 c. o2 and h2 d. nh3- and h+

Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geological equipment to analyze the composition of rock?

The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird