The graph of y=f(x) is shown above. Which of the following could be the graph of y=f′′(x)?.

Afixed resistor has the following color bands: orange, red, brown, gold. what is the rated resistance

Which statements about the two fossil images are correct? 1. cave bears are ancestors of plateosaurus. 2. plateosaurus were present on earth before ostracoderms. 3. ostracoderms were the first to die. 4. plateosaurus died after the ostracoderms. 5. cave bears are the oldest fossils.

What is the binomial name of the horsefly species that's golden backside inspired a 24-year old researcher to name it after a pop star in january 2012?