The puppies in the photograph above are from the same litter. Their inherited traits, such as fur color, are coded onto molecules of —

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

The minerals found in bones are deposited by living cells called

Calculate the number of moles of ethane in 100 grams