What makes it possible to separate substances in a mixture? O A. Substances in a mixture separate when heated.
B. Substances in a mixture are not very big.
C. Substances in a mixture will dissolve.
D. Substances in a mixture keep some physical properties.

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

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

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )