Answer: heat
Explanation: if solid ice is heated it becomes in liquid and then to gaseous steam.
Answer:
B.
Explanation:
because the ozone layer absorbs the greater part of the solar ultraviolet radiation.
Iron radiates energy faster than lead. Iron has higher heat conductivity than lead.
Answer:
A) only one type of element
Explanation:
eg:
02
⬆️ above is an example of oxygen element
you can see that there is only one type of atom ie O(oxygen).
O×O=O2
some more examples of element:
- H2
- N2
- C2
hope it helped you:)