Water is a compound. A compound is made up of two or more elements. In the case of water, or H2O, there are 2 hydrogen atoms present and 1 oxygen atom. I hope this helps you on your assignment. Good luck!
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I hope this helps u out a bit its my own words
Explanation:
Plant cells use chloroplast as kind of an extra mitochondria in a plant cell. They work together, when a chloroplast gets food through photosynthesis the mitochondria breaks down that food and distributes it through the cell.
Answer:
A change in temperature is characteristic of a chemical change. ... If temperature increases, as it does in most reactions, a chemical change is likely to be occurring. This is different from the physical temperature change. During a physical temperature change, one substance, such as water is being heated.
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copper, 8930.
Explanation:
Copper is a chemical element with the symbol Cu (from Latin: cuprum) and atomic number 29. to сuprum (Latin). Coper (Old English) and copper were derived from this, the later spelling first used around 1530. muscle, and bone. The adult body contains between 1.4 and 2.1 mg of copper per kilogram of body weight.
