Answers: 2
Biology, 21.06.2019 16:00, caitlin89
Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water you’d break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove
Answers: 2
Biology, 21.06.2019 23:30, chafinh1811
You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled
Answers: 1
Biology, 22.06.2019 07:00, revlonknox6
Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass
Answers: 2
Which type of transport is being used in the model above (diffusion, osmosis, facilitated diffusion,...
Physics, 03.10.2019 00:00
Mathematics, 03.10.2019 00:00
History, 03.10.2019 00:00