A student has two solid blocks that have different masses. The student knows that each block is composed of a pure substance, but she wants to know if the blocks are composed of the same pure substance. Which of these would best show that the blocks are composed of different substances?
A.
Both blocks sink when placed in water.
B.
Both blocks can be scratched by a piece of glass.
C.
One block conducts electricity and the other does not.
D.
One block has a greater volume than the other block.
Answers: 2
Biology, 21.06.2019 16:30
Average annual precipitation and are the two major features that define the biomes on earth.
Answers: 1
Biology, 21.06.2019 19:00
Can someone me with this and tell me what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?
Answers: 2
Biology, 21.06.2019 19:10
Liquid water turns into water vapor at which step in the water cycle
Answers: 2
Biology, 21.06.2019 20:30
This is a type pf behavior that animals are born with and them to survive
Answers: 1
A student has two solid blocks that have different masses. The student knows that each block is comp...
Mathematics, 05.12.2020 01:00
Biology, 05.12.2020 01:00
Mathematics, 05.12.2020 01:00
History, 05.12.2020 01:00
Mathematics, 05.12.2020 01:00
Mathematics, 05.12.2020 01:00
Mathematics, 05.12.2020 01:00
English, 05.12.2020 01:00
Social Studies, 05.12.2020 01:00