Why can gasses change volume?
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a. there are no forces holding the gas particles together.
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b. the gas particles have no mass, so they can change volume.
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c. the forces holding the gas particles together are stronger than
gravity.
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d. gravity has no effect on gas particles, so they can float away.
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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

Give the orbital configuration of the phosphorus (p) atom.

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?