What mass of butane in grams is necessary to produce 1. 5×103 kj of heat? what mass of co2 is produced?.

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.

A24-n net force acts on a 8-kg rock.what is the acceleration of the rock?

To safely control the traffic flow and protect workers near public roadways and moving construction equipment use you could use