Physics, 11.07.2019 10:00 zoeedadoll
Why are all of the substances on the periodic table classified as elements? substances on the periodic table cannot be dissolved in water or other liquids. substances on the periodic table cannot be broken down into other substances and are therefore elements. all elements are pure substances. substances on the periodic table can be combined to form compounds and are therefore elements.
Answers: 1
Physics, 22.06.2019 07:30
30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve
Answers: 1
Physics, 22.06.2019 11:00
Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good
Answers: 1
Physics, 22.06.2019 13:50
Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?
Answers: 3
Why are all of the substances on the periodic table classified as elements? substances on the perio...
Computers and Technology, 16.08.2019 08:20