Please hurry!
*URGENT* *URGENT*
Best answer gets Brainliest!!
Please answer the...
Please hurry!
*URGENT* *URGENT*
Best answer gets Brainliest!!
Please answer the question ASAP
Please help me!
which of the following is always altered when a substance undergoes a chemical change?
A) mass of the substance
B) arrangement of the atoms composing the substance
C) color of the substance
D) state of matter of the substance
Answers: 2
Chemistry, 23.06.2019 10:30, oglejack6138
How is it possible for someone to put an ear to a wall and hear someone in the next room? a. sound waves can travel though solids. b. the waves travel from room to room via air. c. there must be some air in the wall so the sound can travel through it. d. sound waves change to electromagnetic waves and then back again.
Answers: 1
Social Studies, 08.12.2020 03:40
Mathematics, 08.12.2020 03:40
Mathematics, 08.12.2020 03:40
Mathematics, 08.12.2020 03:40
Mathematics, 08.12.2020 03:40
Health, 08.12.2020 03:40
Chemistry, 08.12.2020 03:40
Arts, 08.12.2020 03:40