Hi there!
I believe the answer to this is B. Elementary and High school students.
Hope this helps! ☺♥
Answer: 215
Explanation:
Volume doesn’t add up into ounces that’s mass only
Sawing a board in half is a physical change not a chemical change the board doesnt change wood or whatever material it is is still would still be wood
If it were burned it would be a chemical change but its properties stay the same atomically so thats why its not a chemical change.
D. Air molecules touch the warm ground, heating them up
The colloid formed by ice cream remains stable only at cold temperatures. When ice cream is warmed above freezing, its dispersed particles absorb energy and begin to move faster. When the fast-moving particles collide, they sometimes stick together.
