Why are you able to collect a more concentrated sample of ethanol from a mixture of water and ethanol using fractional distillation

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

How much energy is made when a pice of wood burns. how do you know

Summarize possible ways in which phases of matter could combine to form a solution.