Which of the following sets of measurements is the MOST precise? A. 1 m, 2 m, 3 m, 4 m B. 2.9 m, 3.0 m, 3.1 m, 3.2 m C. 10 m, 20 m, 30 m, 40 m D. 100 m, 200 m, 300 m, 400 m

Which best explains why there are 64 possible codons in the genetic code and only 20 amino acids that make protiens of living organisms on earth

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a.coral reefs because of the loss of the symbiotic algae living within their bodies b.penguin populations because the fish they eat will move into warmer waters c.mountain-dwelling birds because rising sea levels will relocate their food sources d.large cats in the rainforest because of decreased habitat loss for their prey