What is the ratio of the concentration of potassium ions to the concentration of carbonate ions in a 0. 015 m solution of potassium carbonate?.

How many questions do they give on the sat

‘all monkeys have tails’ is an absolute statement. t or f

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.