2. In your own words, explain the main ideas of Dalton's atomic theory. 3. According to Dalton's theory, is it possible to convert atoms of one element into atoms of another? Explain.
4. The law of conservation of mass was introduced in Unit 2 Use Dalton's atomic theory to explain this law.

idk i’m struggling too

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

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aquifers are bounded above and below by impermeable rock. the driving force of groundwater movement in confined aquifers is pressure, rather than gravity.