Answer:
is highly respect is correct I promise!
A from is heterogeneous because it’s particles are different and not evenly mixed.
Just did this question on Mastering Chem, it's 1
Explanation:
the experiment conducted is the student adds sugar to a cup of iced tea and a cup of hot tea. She notices that the time needed for the sugar to dissolve in each cup is different. She thinks this has something to do with the temperature of the tea
hypothesis: If the student puts the sugar in both glasses of tea, then the sugar in the hot tea should dissolve quicker.
Answer:
169
Explanation:
protons+neutrons=atomic mass
70+99=169
