Answers: 2
Chemistry, 22.06.2019 10:00
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
Chemistry, 22.06.2019 18:00
The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.
Answers: 1
Chemistry, 22.06.2019 19:50
What is the wavelength of a wave with a velocity of 50 m/s and a frequency of 5hz a 250 m b 0.1 m c 10m d 0.01 m
Answers: 2
Chemistry, 22.06.2019 20:00
State one important difference between a physical change and a chemical change?
Answers: 1
Ayoungs's double slit has separation of 2.5 x 10-5 m on wich a monochromatic light bean is directed....
Computers and Technology, 20.07.2019 07:30
History, 20.07.2019 07:30
Computers and Technology, 20.07.2019 07:30
Social Studies, 20.07.2019 07:30
History, 20.07.2019 07:30
Biology, 20.07.2019 07:30
Biology, 20.07.2019 07:30
English, 20.07.2019 07:30
Mathematics, 20.07.2019 07:30
Biology, 20.07.2019 07:30