Part 3: Match each diagram with its correct description. Diagrams will be used once о
o
A
А
B
C С
D
B
1. Pure Element - only one type of atom present
C
2. Mixture of two elements - two types of uncombined atoms present
D
3. Pure compound - only one type of compound present
E
4. Mixture of two compounds - two types of compounds present.
3. Mixture of a compound and an element.

Here's link to the

cutt.ly/nz6VGda

a is b b is a cos a cis q is m ju bbi and nwni amj haha OK bye

d. the weight of the book

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.