Answers: 2
Chemistry, 23.06.2019 11:20, Chapo3760
Sandy is building a small toy car. he wants to use a balloon to power the toy car. he fills a balloon with air and then attaches a straw to the balloon. he tapes the balloon-straw combination to the car and then releases the end of the balloon. the toy moves forward as the air from the balloon comes out the back of the straw. what can sandy do to make the toy car move faster? a) use less air in the balloon. b) blow up the balloon more. c) use a longer straw. d) use larger tires.
Answers: 2
Chemistry, 23.06.2019 15:30, 101EXPERIENCE
Which term defines a type of oxygen that forms a protective layer miles above the earth a. fossil fuel b. smog c. pollution d. ozone
Answers: 2
A chemist is testing the quality of a wine produced by a vineyard. Which branch of chemistry might t...
Computers and Technology, 03.02.2020 09:55
Mathematics, 03.02.2020 09:55
English, 03.02.2020 09:55
World Languages, 03.02.2020 09:56
Biology, 03.02.2020 09:56
History, 03.02.2020 09:56