If a piece of metal at 70 degrees touches a piece of metal at 40 degrees, . A. Energy will flow from the hotter metal to the cooler metal
B. It’s impossible to tell
C. Nothing will happen
D. Cold will flow from the cooler metal to the hotter metal

What are tissues? a groups of tissues that work together b basic units of structure and function c groups of cells that perform the same function d multiple organs that perform a major function

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

What is the one part of the nucleotide  that differs among the other different nucle  tides?